[DF-2911] Static Occlusion Finalization
Revert "[DF-2953] unique layer states"

This reverts commit 4f3dc8e35eaab4e3f8dc3b978909b46a3da28b0e.

Conflicts:
	Projects/iPhoneFramework/Framework.xcodeproj/project.pbxproj
	Sources/Internal/Render/Highlevel/RenderBatchArray.h
	Sources/Internal/Render/Highlevel/RenderHierarchy.h