The temporary resolve attachment used to optimize blit was not removed
from the framebuffer and render pass descriptions, resulting in
subsequent draws to be resolved again.

Bug: b/159903491
Change-Id: I9a9c90d25cb07ba9a25999f808b164f9085387d0
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2390441
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Charlie Lao <cclao@google.com>