Remove a now-unneeded fix for offsetof on new versions of Visual Studio.
Remove a now-unneeded fix for offsetof on new versions of Visual Studio.

ValtoGameEngines/Torque3D,GarageGames/Torque3D,ValtoGameEngines/Torque3D,GarageGames/Torque3D,rextimmy/Torque3D,GarageGames/Torque3D,rextimmy/Torque3D,John3/Torque3D,Azaezel/Torque3D,Azaezel/Torque3D,ValtoGameEngines/Torque3D,John3/Torque3D,Azaezel/Torque3D,GarageGames/Torque3D,Azaezel/Torque3D,ValtoGameEngines/Torque3D,ValtoGameEngines/Torque3D,GarageGames/Torque3D,John3/Torque3D,Azaezel/Torque3D,ValtoGameEngines/Torque3D,Azaezel/Torque3D,rextimmy/Torque3D,GarageGames/Torque3D,GarageGames/Torque3D,rextimmy/Torque3D,rextimmy/Torque3D,ValtoGameEngines/Torque3D,ValtoGameEngines/Torque3D,Azaezel/Torque3D,John3/Torque3D,Azaezel/Torque3D,rextimmy/Torque3D,rextimmy/Torque3D,John3/Torque3D,John3/Torque3D,rextimmy/Torque3D,ValtoGameEngines/Torque3D,John3/Torque3D,John3/Torque3D,Azaezel/Torque3D,John3/Torque3D,Azaezel/Torque3D,rextimmy/Torque3D,rextimmy/Torque3D,GarageGames/Torque3D,ValtoGameEngines/Torque3D,John3/Torque3D,GarageGames/Torque3D