Revert "GetShaderResourceView throws exception when called from TextureCollection.SetTextures"

This reverts commit 2cda9965a44ff360a97ea1190cee21346293d7de.
test commit
Delete Render buffers for each Render Target binding in SetRenderTargets when the render target is passed as null which signifies resetting the Render Target bindings.
Merge pull request #1472 from kjpou1/develop

develop - Cleanup Frame Render buffers for RenderTargets
Take out check for GL Error on FrambufferRenderbuffer commands in SetRenderTargets.
Merge pull request #1477 from kjpou1/develop

develop - Take out check for GL Error on FrambufferRenderbuffer commands in SetRenderTargets
Merge remote-tracking branch 'upstream/develop' into nkastBranch