consistent formatting: replace '}else' with '} else'

src/KOKKOS/npair_kokkos.cpp

src/KOKKOS/npair_ssa_kokkos.cpp

src/REPLICA/fix_neb.cpp

src/USER-LB/fix_lb_fluid.cpp

src/USER-LB/fix_lb_rigid_pc_sphere.cpp

src/USER-MANIFOLD/fix_nve_manifold_rattle.cpp

src/USER-MANIFOLD/fix_nvt_manifold_rattle.cpp

src/USER-MANIFOLD/manifold_gaussian_bump.cpp

src/USER-MANIFOLD/manifold_thylakoid.cpp

src/USER-REAXC/reaxc_traj.cpp