remove collision filter from Actor

engine/physics/Actor.h

@@ -33,7 +33,6 @@ OTHER DEALINGS IN THE SOFTWARE.
 #include "Vector3.h"
 #include "Matrix4x4.h"
 #include "Quaternion.h"
-#include "CollisionFilter.h"
 
 #include "PxPhysics.h"
 #include "PxScene.h"
@@ -100,8 +99,6 @@ public:
 	int32_t					m_node;
 	PxRigidActor* 			m_actor;
 	PxMaterial* 			m_mat;
-
-	CollisionFilter*		m_filter;
 };
 
 } // namespace crown