Revert "added riverbed + change render order"

This reverts commit 9d0a324d051cecf1936db504cc89e662e325ecde.

Conflicts:
	Start-Project/WaterRender/Debug/WaterRender.exe

	Start-Project/WaterRender/WaterRender/Debug/WaterRender.tlog/CL.write.1.tlog
	Start-Project/WaterRender/WaterRender/Debug/vc120.idb
	Start-Project/WaterRender/WaterRender/RenderScene.cpp
	Start-Project/WaterRender/WaterRender/RenderScene.h
	Start-Project/WaterRender/WaterRender/WaterRender.vcxproj.filters