Fix syntax error

Author: ClausKlein

.github/workflows/ci.yml

@@ -135,8 +135,6 @@ jobs:
         with:
           file: ${{runner.workspace}}/optional26/.build/coverage.json
           github-token: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          cmake --install .build --config RelWithDebInfo --verbose
       - name: CMake Debug Workflow
         run: |
           set -x