revert changes

Author: mcbarton

.github/workflows/ci.yml

@@ -1385,12 +1385,6 @@ jobs:
           ${{ matrix.cling=='On' && 'cling' || '' }}
         key: ${{ env.CLING_HASH }}-${{ runner.os }}-${{ matrix.os }}-${{ matrix.compiler }}-clang-${{ matrix.clang-runtime }}.x-patch-${{ hashFiles(format('patches/llvm/clang{0}-*.patch', matrix.clang-runtime)) || 'none' }}
 
-    - name: install cxx compiler
-      if: ${{ runner.os != 'windows' }}
-      shell: bash -l {0}
-      run: |
-        $HOME/micromamba-bin/micromamba install cxx-compiler -c conda-forge -y
-
     - name: Build and Test/Install CppInterOp on Unix systems
       if: ${{ runner.os != 'windows' }}
       shell: bash -l {0}