ref: Remove overhead-metrics dev package (#14087)

We are not really using this ever, so we may as well remove it as it
only adds complexity and dependencies to the monorepo.

.github/workflows/build.yml

@@ -1345,48 +1345,6 @@ jobs:
         run: |
           echo "One of the dependent jobs have failed. You may need to re-run it." && exit 1
 
-  overhead_metrics:
-    name: Overhead metrics
-    needs: [job_get_metadata, job_build]
-    runs-on: ubuntu-20.04
-    timeout-minutes: 30
-    if: |
-      contains(github.event.pull_request.labels.*.name, 'ci-overhead-measurements')
-    steps:
-      - name: Check out current commit (${{ needs.job_get_metadata.outputs.commit_label }})
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ env.HEAD_COMMIT }}
-      - name: Set up Node
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: 'package.json'
-      - name: Restore caches
-        uses: ./.github/actions/restore-cache
-        with:
-          dependency_cache_key: ${{ needs.job_build.outputs.dependency_cache_key }}
-
-      - name: Collect
-        run: yarn ci:collect
-        working-directory: dev-packages/overhead-metrics
-
-      - name: Process
-        id: process
-        run: yarn ci:process
-        working-directory: dev-packages/overhead-metrics
-        # Don't run on forks - the PR comment cannot be added.
-        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-
-      - name: Upload results
-        uses: actions/upload-artifact@v4
-        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        with:
-          name: ${{ steps.process.outputs.artifactName }}
-          path: ${{ steps.process.outputs.artifactPath }}
-          retention-days: 7
-
   job_compile_bindings_profiling_node:
     name: Compile & Test Profiling Bindings (v${{ matrix.node }}) ${{ matrix.target_platform || matrix.os }}, ${{ matrix.node || matrix.container }}, ${{ matrix.arch || matrix.container }}, ${{ contains(matrix.container, 'alpine') && 'musl' || 'glibc'  }}
     needs: [job_get_metadata, job_build]