Revert "Changes to gl BGRA renderbuffer format support."

This reverts commit 8372e4bb40e647df0cf9cc094b9d1acfff324ca9.

Reason for revert: This doesn't really work while RT has both resolve and msaa in it since chrome cant blit with different formats and we can't check that during a resolve correctly.

Original change's description:
> Changes to gl BGRA renderbuffer format support.
> 
> Change-Id: Ic46057ed1f85e368fd55148beaa3f7e2ae54a042
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227398
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

TBR=egdaniel@google.com,bsalomon@google.com

Change-Id: Ia28b8ef1e5f4274240ad207e34619049525bd722
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227781
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
1 file changed