Remove codecov workflow and config (#1570)

Author: gabrielbosio

.github/codecov.yml

@@ -189,132 +189,6 @@ jobs:
       - name: test-cairo
         run: make test-cairo
 
-  coverage:
-    name: coverage
-    runs-on: ubuntu-24.04
-    strategy:
-      matrix:
-        partition: [1, 2, 3, 4]
-        include:
-          - partition: 1
-            output: lcov-1.info
-          - partition: 2
-            output: lcov-2.info
-          - partition: 3
-            output: lcov-3.info
-          - partition: 4
-            output: lcov-4.info
-    env:
-      MLIR_SYS_190_PREFIX: /usr/lib/llvm-19/
-      LLVM_SYS_191_PREFIX: /usr/lib/llvm-19/
-      TABLEGEN_190_PREFIX: /usr/lib/llvm-19/
-      RUST_LOG: cairo_native=debug
-    steps:
-      - uses: actions/checkout@v4
-      - name: check and free hdd space left
-        run: |
-          echo "Listing 20 largest packages"
-          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 20
-          df -h
-          sudo apt-get update
-          sudo apt-get remove -y '^llvm-.*'
-          sudo apt-get remove -y 'php.*'
-          sudo apt-get remove -y '^dotnet-.*'
-          sudo apt-get remove -y '^temurin-.*'
-          sudo apt-get remove -y azure-cli microsoft-edge-stable google-chrome-stable firefox mono-devel
-          sudo apt-get autoremove -y
-          sudo apt-get clean
-          df -h
-          echo "Removing large directories"
-          # deleting 15GB
-          sudo rm -rf /usr/share/dotnet/
-          sudo rm -rf /usr/local/lib/android
-          df -h
-      - name: Setup rust env
-        uses: dtolnay/rust-toolchain@1.84.1
-      - name: Retreive cached dependecies
-        uses: Swatinem/rust-cache@v2
-      - name: add llvm deb repository
-        uses: myci-actions/add-deb-repo@11
-        with:
-          repo: deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-19 main
-          repo-name: llvm-repo
-          keys-asc: https://apt.llvm.org/llvm-snapshot.gpg.key
-      - name: Install LLVM
-        run: sudo apt-get install llvm-19 llvm-19-dev llvm-19-runtime clang-19 clang-tools-19 lld-19 libpolly-19-dev libmlir-19-dev mlir-19-tools
-      - name: Install testing tools
-        uses: taiki-e/install-action@v2
-        with:
-          tool: cargo-nextest,cargo-llvm-cov
-      - name: Install deps
-        run: make deps
-
-      - name: Run tests and generate coverage partition ${{ matrix.partition }}
-        run: cargo llvm-cov nextest --verbose --lcov --output-path ${{ matrix.output }} --partition count:${{ matrix.partition }}/4
-
-      - name: test and generate coverage corelib
-        if: ${{ matrix.partition == '1' }}
-        run: cargo llvm-cov run --verbose --lcov --output-path lcov-test.info --package cairo-native-test -- corelib
-
-      - name: save coverage data with corelib
-        if: ${{ matrix.partition == '1' }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: coverage-data-1
-          path: |
-            ./${{ matrix.output }}
-            ./lcov-test.info
-
-      - name: save coverage data
-        if: ${{ matrix.partition != '1' }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: coverage-data-${{ matrix.partition }}
-          path: ./${{ matrix.output }}
-
-  upload-coverage:
-    name: Upload Coverage
-    runs-on: ubuntu-24.04
-    needs: [coverage]
-    steps:
-      - name: Setup rust env
-        uses: dtolnay/rust-toolchain@1.84.1
-      - name: Retreive cached dependencies
-        uses: Swatinem/rust-cache@v2
-      - name: Install testing tools
-        uses: taiki-e/install-action@v2
-        with:
-          tool: cargo-nextest,cargo-llvm-cov
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Download artifacts partition 1
-        uses: actions/download-artifact@v4
-        with:
-          name: coverage-data-1
-      - name: Download artifacts partition 2
-        uses: actions/download-artifact@v4
-        with:
-          name: coverage-data-2
-      - name: Download artifacts partition 3
-        uses: actions/download-artifact@v4
-        with:
-          name: coverage-data-3
-      - name: Download artifacts partition 4
-        uses: actions/download-artifact@v4
-        with:
-          name: coverage-data-4
-      - name: Install lcov
-        run: sudo apt-get update && sudo apt-get install -y lcov
-      - name: Merge the reports
-        run: lcov -a lcov-1.info -a lcov-2.info -a lcov-3.info -a lcov-4.info -o lcov.info
-      - name: Upload coverage
-        uses: codecov/codecov-action@v4
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          files: ./lcov.info,./lcov-test.info
-          fail_ci_if_error: true
-          verbose: true
-
   dockerfile:
     name: dockerfile (linux, amd64)
     runs-on: ubuntu-24.04