COMP: Removes problemState base class and misc.

...Collision/CollisionHandling/imstkPenaltyMeshToRigidCH.cpp

Base/DynamicalModels/ObjectModels/imstkDeformableBodyModel.h

Base/DynamicalModels/ObjectStates/imstkPbdState.h

Base/DynamicalModels/ObjectStates/imstkProblemState.h

Base/DynamicalModels/ObjectStates/imstkVectorizedState.h

Base/Scene/imstkScene.cpp

Base/SceneElements/Objects/imstkCollidingObject.cpp

Base/SceneElements/Objects/imstkCollidingObject.h

Base/SceneElements/Objects/imstkDeformableObject.cpp

Base/SceneElements/Objects/imstkDeformableObject.h

Base/SceneElements/Objects/imstkDynamicObject.cpp

Base/SceneElements/Objects/imstkDynamicObject.h

Base/SceneElements/Objects/imstkKinematicState.cpp

Base/SceneElements/Objects/imstkPbdObject.cpp

Base/SceneElements/Objects/imstkPbdObject.h

Base/SceneElements/Objects/imstkVirtualCouplingPBDObject.cpp