Revert "[Toolkit.Graphics] Fix issue with StreamOutputRasterizedStream."

This reverts commit 33a9bfa761b975e00561ae803261a7bc9dd48a31.
[Toolkit.Graphics] Add support for RectangleF in VertexElement
[Toolkit.Graphics] Allow same bytecode to be reused in different shader types (GeometryShader using the VertexShader as pure stream output shader)