This isn't used. We have Ben's shiny new descriptor-based UBO system now
instead.

Change-Id: If971e6bce3ddfb149d33dc5c42294d7b75c31888
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26609Tested-by: Chris Forbes <chrisforbes@google.com>
Presubmit-Ready: Chris Forbes <chrisforbes@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>