Fix macos-universal CI builds

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/build.yml

@@ -521,10 +521,6 @@ jobs:
             src/Rack/dep/speexdsp-SpeexDSP-1.2rc3
             src/Rack/dep/zstd-1.4.5
           key: macos-universal-v${{ env.CACHE_VERSION }}
-      - name: Fix up Xcode
-        run: |
-          sudo rm -Rf /Library/Developer/CommandLineTools/SDKs/*
-          sudo xcode-select -s "/Applications/Xcode_12.3.app"
       - name: Build extra dependencies
         run: |
           ./deps/PawPaw/bootstrap-cardinal.sh macos-universal && ./deps/PawPaw/.cleanup.sh macos-universal