remove the misleading "(which it is by default)" from several doc files

doc/src/angle_charmm.txt

@@ -74,7 +74,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/angle_cosine.txt

@@ -61,7 +61,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/angle_cosine_delta.txt

@@ -66,7 +66,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/angle_cosine_periodic.txt

@@ -74,7 +74,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/angle_cosine_squared.txt

@@ -66,7 +66,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/angle_harmonic.txt

@@ -65,11 +65,11 @@ more instructions on how to use the accelerated styles effectively.
 
 :line
 
-[Restrictions:] none
+[Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
-LAMMPS"_Section_start.html#start_3 section for more info on packages.
+MOLECULE package.  See the "Making LAMMPS"_Section_start.html#start_3
+section for more info on packages.
 
 [Related commands:]
 

doc/src/angle_hybrid.txt

@@ -76,7 +76,7 @@ for specific angle types.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 Unlike other angle styles, the hybrid angle style does not store angle

doc/src/angle_table.txt

@@ -147,7 +147,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This angle style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/bond_fene.txt

@@ -70,7 +70,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 You typically should specify "special_bonds fene"_special_bonds.html

doc/src/bond_fene_expand.txt

@@ -73,7 +73,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 You typically should specify "special_bonds fene"_special_bonds.html

doc/src/bond_harmonic.txt

@@ -65,7 +65,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/bond_hybrid.txt

@@ -59,7 +59,7 @@ bond types.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 Unlike other bond styles, the hybrid bond style does not store bond

doc/src/bond_morse.txt

@@ -64,7 +64,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/bond_nonlinear.txt

@@ -64,7 +64,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/bond_quartic.txt

@@ -99,7 +99,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 The {quartic} style requires that "special_bonds"_special_bonds.html

doc/src/bond_table.txt

@@ -144,7 +144,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This bond style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/dihedral_charmm.txt

@@ -109,7 +109,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This dihedral style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/dihedral_harmonic.txt

@@ -76,7 +76,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This dihedral style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/dihedral_helix.txt

@@ -69,7 +69,7 @@ more instructions on how to use the accelerated styles effectively.
 [Restrictions:]
 
 This dihedral style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 [Related commands:]

doc/src/dihedral_hybrid.txt

@@ -77,7 +77,7 @@ for specific dihedral types.
 [Restrictions:]
 
 This dihedral style can only be used if LAMMPS was built with the
-MOLECULE package (which it is by default).  See the "Making
+MOLECULE package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info on packages.
 
 Unlike other dihedral styles, the hybrid dihedral style does not store