Remove OS X 10.11 and macOS 10.12 code from gpu/

Bug: 1322548
Change-Id: I4679da846f387d857391de57d6c569d4962caae8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3651370
Commit-Queue: Peng Huang <penghuang@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Reviewed-by: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1005367}
NOKEYCHECK=True
GitOrigin-RevId: c4b89b73d7898311e66bb80eca5c42d125a6b9f5
2 files changed