Remove the code cov action from CI checks (#38314)

Remove the code cov action.

.github/workflows/pr-code-coverage.yml

@@ -1,61 +0,0 @@
-name: Run code coverage on PR
-on:
-    pull_request:
-        paths-ignore:
-            - '**/changelog/**'
-    workflow_dispatch:
-defaults:
-    run:
-        shell: bash
-concurrency:
-    group: ${{ github.workflow }}-${{ github.ref }}
-    cancel-in-progress: true
-
-permissions: {}
-
-jobs:
-    test:
-        if: ${{ github.event_name != 'pull_request' || github.event.pull_request.user.login != 'github-actions[bot]' }}
-        name: Code coverage (PHP 7.4, WP Latest)
-        timeout-minutes: 30
-        runs-on: ubuntu-20.04
-        permissions:
-            contents: read
-        services:
-            database:
-                image: mysql:5.6
-                env:
-                    MYSQL_ROOT_PASSWORD: root
-                ports:
-                    - 3306:3306
-                options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=5
-        steps:
-            - uses: actions/checkout@v3
-              with:
-                  fetch-depth: 100
-
-            - name: Setup WooCommerce Monorepo
-              uses: ./.github/actions/setup-woocommerce-monorepo
-
-            - name: Tool versions
-              run: |
-                  php --version
-                  composer --version
-
-            - name: Build Admin feature config
-              working-directory: plugins/woocommerce
-              run: pnpm run build:feature-config
-
-            - name: Init DB and WP
-              working-directory: plugins/woocommerce
-              run: bash tests/bin/install.sh woo_test root root 127.0.0.1 latest
-
-            - name: Run unit tests with code coverage. Allow to fail.
-              working-directory: plugins/woocommerce
-              run: |
-                  RUN_CODE_COVERAGE=1 bash tests/bin/phpunit.sh
-                  exit 0
-
-            - name: Send code coverage to Codecov.
-              run: |
-                  bash <(curl -s https://codecov.io/bash)