Merge pull request rust-lang#2877 from wcarss/fix-macos-pr-build-xcode-directory

Remove macOS aarch-64 xcode-select directory.

Author: kinnison

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

@@ -78,13 +78,6 @@ 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
         if: matrix.target == 'aarch64-apple-darwin'
       - name: Ensure we have our goal target installed
         run: |

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

@@ -78,13 +78,6 @@ 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
         if: matrix.target == 'aarch64-apple-darwin'
       - name: Ensure we have our goal target installed
         run: |