ci: remove code coverage action since it's not working in PRs from forks

Author: iiroj

.github/workflows/pull-requests.yml

@@ -234,41 +234,3 @@ jobs:
       - run: node bin/lint-staged.js --version
       - run: node bin/lint-staged.js --help
       - run: npm test
-
-  codecov:
-    name: Code Coverage
-    permissions:
-      pull-requests: write
-    runs-on: ubuntu-latest
-    needs:
-      - Changesets
-      - Commitlint
-      - ESLint
-      - test-cygwin
-      - test-matrix
-      - test-msys2
-      - test-node-range
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/download-artifact@v4
-        with:
-          name: cobertura-coverage.xml
-      - name: Code Coverage Report
-        uses: irongut/[email protected]
-        with:
-          filename: cobertura-coverage.xml
-          badge: true
-          format: markdown
-          output: both
-      - name: Add Coverage PR Comment
-        uses: marocchino/sticky-pull-request-comment@v2
-        with:
-          hide_and_recreate: true
-          hide_classify: 'OUTDATED'
-          path: code-coverage-results.md
-      # Run action again to fail PR status _after_ posting PR comment
-      - name: Fail PR with low coverage
-        uses: irongut/[email protected]
-        with:
-          filename: cobertura-coverage.xml
-          fail_below_min: 100