Strip out monitors, viewmodel and 3d skybox rendering paths from renderpipeline, needs to be cleared from the rest of the codebase (cherry pick from renderingpipeline_cleanup ) but if we don't do it now we never will RenderingPipelineVr becomes RenderingPipelineStandard Remove remaining non-VR "VR" references from rendering pipeline, remote retinaburn and env interaction system that have been never used for us, some more of VR stuff could be taken out now that we do it mostly all in managed Don't shrug off scratch render target system errors after a while