Revert "CI: test GDAL 3 on macOS without the patch"

This reverts commit 39faaa9a.
2 jobs for gdal3_superbuild in 3 minutes and 41 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Precheck
passed #15834
fast-build

00:03:41

 
  External
passed cdash:ubuntu-18.04-fast