Update ci.yml

Author: mcbarton

.github/workflows/ci.yml

@@ -281,11 +281,6 @@ jobs:
         fi
       env:
         compiler: ${{ matrix.compiler }}
-    
-    - uses: maxim-lobanov/setup-xcode@v1
-      if: ${{ runner.os == 'macOS' && steps.cache.outputs.cache-hit != 'true' && matrix.cling == 'On' }}
-      with:
-        xcode-version: '15.4.0'
 
     - name: Setup compiler on macOS
       if: ${{ runner.os == 'macOS' && steps.cache.outputs.cache-hit != 'true' }}
@@ -307,8 +302,6 @@ jobs:
                 echo 'CPPFLAGS="-I/opt/homebrew/opt/llvm@15/include"' >> $GITHUB_ENV
                 echo 'CPATH="/opt/homebrew/include/"' >> $GITHUB_ENV
                 echo 'LIBRARY_PATH="/opt/homebrew/lib/"' >> $GITHUB_ENV
-                ls /Applications/Xcode_15.4.0.app/
-                echo 'DEVELOPER_DIR=/Applications/Xcode_15.4.app/Contents/Developer/' >> $GITHUB_ENV
                 echo "CC=$(brew --prefix llvm@15)/bin/clang" >> $GITHUB_ENV
                 echo "CXX=$(brew --prefix llvm@15)/bin/clang++" >> $GITHUB_ENV
             else
@@ -775,11 +768,6 @@ jobs:
       env:
         compiler: ${{ matrix.compiler }}
 
-    - uses: maxim-lobanov/setup-xcode@v1
-      if: ${{ runner.os == 'macOS' && matrix.cling == 'On' }}
-      with:
-        xcode-version: '15.4.0'
-
     - name: Setup compiler on macOS
       if: runner.os == 'macOS'
       run: |
@@ -801,7 +789,6 @@ jobs:
                 echo 'CPPFLAGS="-I/opt/homebrew/opt/llvm@15/include"' >> $GITHUB_ENV
                 echo 'CPATH="/opt/homebrew/include/"' >> $GITHUB_ENV
                 echo 'LIBRARY_PATH="/opt/homebrew/lib/"' >> $GITHUB_ENV
-                echo 'DEVELOPER_DIR=/Applications/Xcode_15.4.0.app/Contents/Developer/' >> $GITHUB_ENV
                 echo "CC=$(brew --prefix llvm@15)/bin/clang" >> $GITHUB_ENV
                 echo "CXX=$(brew --prefix llvm@15)/bin/clang++" >> $GITHUB_ENV
             else