Remove macOS aarch-64 xcode-select directory.

12.2 is likely out of date, and it is breaking PR builds. It likely
isn't required to use the beta compiler anymore, so we'll just remove
the line altogether.

Author: wcarss

.github/workflows/macos-builds-on-all.yaml

@@ -79,9 +79,6 @@ jobs:
           # Can't run tests: cross-compiling
           echo "SKIP_TESTS=yes" >> $GITHUB_ENV
 
-          # Use the beta compiler
-          sudo xcode-select -s /Applications/Xcode_12.2.app/Contents/Developer/
-
           # Set SDK environment variables
           echo "SDKROOT=$(xcrun -sdk macosx11.0 --show-sdk-path)" >> $GITHUB_ENV
           echo "MACOSX_DEPLOYMENT_TARGET=$(xcrun -sdk macosx11.0 --show-sdk-platform-version)" >> $GITHUB_ENV

ci/actions-templates/macos-builds-template.yaml

@@ -79,9 +79,6 @@ jobs:
           # Can't run tests: cross-compiling
           echo "SKIP_TESTS=yes" >> $GITHUB_ENV
 
-          # Use the beta compiler
-          sudo xcode-select -s /Applications/Xcode_12.2.app/Contents/Developer/
-
           # Set SDK environment variables
           echo "SDKROOT=$(xcrun -sdk macosx11.0 --show-sdk-path)" >> $GITHUB_ENV
           echo "MACOSX_DEPLOYMENT_TARGET=$(xcrun -sdk macosx11.0 --show-sdk-platform-version)" >> $GITHUB_ENV