gmod_game: don't save physics_npc_solver

[garry]

[B]Revision 564[/B]
[INDENT]don't save physics_npc_solver[/INDENT][B]Changed Files:[/B]
[LIST]
[*][URL="https://facepunch.svn.beanstalkapp.com/gmodgame/trunk/lua/includes/gmsave/entity_filters.lua"]trunk/lua/includes/gmsave/entity_filters.lua[/URL]
[/LIST]
Committed By [B]Garry Newman[/B]