Remove anything marked as [Obsolete] 3+ months ago
Obsolete Entity.EyePos/Rot => Entity.EyePosition/Rotation
delete some legacy c++ concommands: god, say, give, etc. these didn't work anyway and if they should work they should be done in c#
reimplement cl_showpos in c# so it uses the pawn, remove cl_showfps (there's much better ways to see it now)
Fix compile error and strip Panorama stuff from the particle host
Remove more legacy player concommands and whatevers left of impulse
remove env_message