remove unneeded justification marker

src/create_atoms.cpp

@@ -587,7 +587,7 @@ void CreateAtoms::command(int narg, char **arg)
   MPI_Barrier(world);
   if (me == 0)
     utils::logmesg(lmp, fmt::format("Created {} atoms\n"
-                        "  create_atoms CPU = {:<.3g} seconds\n",
+                        "  create_atoms CPU = {:.3g} seconds\n",
                         atom->natoms - natoms_previous,
                         MPI_Wtime() - time1));
 }