Remove coverage builder from CI (#8471)

The coverage uploader has been running into rate limits and no one has
complained. Clearly we are not using or benefiting from this builder in
practice, so simply remove it.

Author: tlively

.github/workflows/ci.yml

@@ -383,44 +383,6 @@ jobs:
     - name: build
       run: cmake --build out
 
-  # Duplicates build-asan.  Please keep in sync
-  build-gcov:
-    name: coverage
-    runs-on: ubuntu-latest
-    env:
-      COMPILER_FLAGS: "-fprofile-arcs -ftest-coverage"
-      CC: "gcc"
-      CXX: "g++"
-    steps:
-    - uses: actions/setup-python@v5
-      with:
-        python-version: '3.x'
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-    - name: install ninja
-      run: sudo apt-get install ninja-build
-    - name: install v8
-      run: |
-        npm install jsvu -g
-        jsvu --os=default --engines=v8
-    - name: install Python dev dependencies
-      run: pip3 install -r requirements-dev.txt
-    - name: cmake
-      run: |
-        mkdir -p out
-        cmake -S . -B out -G Ninja -DCMAKE_INSTALL_PREFIX=out/install -DCMAKE_C_COMPILER="$CC" -DCMAKE_CXX_COMPILER="$CXX" -DCMAKE_C_FLAGS="$COMPILER_FLAGS" -DCMAKE_CXX_FLAGS="$COMPILER_FLAGS -DCMAKE_BUILD_TYPE=Debug"
-    - name: build
-      run: cmake --build out
-    - name: test
-      run: |
-        python check.py --binaryen-bin=out/bin lit
-        python check.py --binaryen-bin=out/bin gtest
-    - name: upload coverage
-      uses: codecov/codecov-action@v3
-      with:
-        gcov: true
-
   # Duplicates build-asan.  Please keep in sync
   build-cxx20:
     name: c++20