Update cmake-multi-platform.yml

.github/workflows/cmake-multi-platform.yml

@@ -75,12 +75,10 @@ jobs:
 
     - name: Build
       # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
-      shell: bash
       run: |
         cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
         cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }} --target clean
         cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
-        rm -rf ${{ steps.strings.outputs.build-output-dir }}
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.