macOS runner already builtin Xcode 13.2.1

Author: zonyitoo

.github/workflows/build-nightly-release.yml

@@ -91,12 +91,6 @@ jobs:
           default: true
           override: true
 
-      # https://github.com/actions/virtual-environments/issues/2557#issuecomment-769611326
-      - if: ${{ matrix.target }} == 'aarch64-apple-darwin'
-        run: |
-          sudo xcode-select -s /Applications/Xcode_12.4.app &&
-          sudo rm -Rf /Library/Developer/CommandLineTools/SDKs/*
-
       - name: Build release
         shell: bash
         run: |