remove benchmark ci (#5513)

.github/workflows/benchmark.yaml

@@ -1,63 +0,0 @@
-name: Benchmark
-
-permissions:
-  contents: write
-  deployments: write
-  pull-requests: write
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-
-jobs:
-  benchmark:
-    strategy:
-      fail-fast: false
-      matrix:
-        go-version: [1.23.x]
-        node-version: [22.x]
-        platform: [ubuntu-22.04]
-    runs-on: ${{ matrix.platform }}
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-
-      - uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34
-        with:
-          go-version: ${{ matrix.go-version }}
-          cache: false
-
-      - uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a
-        with:
-          node-version: ${{ matrix.node-version }}
-          cache: yarn
-          cache-dependency-path: ui/yarn.lock
-
-      - name: set env vars
-        run: echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
-
-      - name: build dev docker image
-        run: |
-          ./scripts/build-dev-docker.bash
-
-      - name: start cluster
-        run: |
-          export POMERIUM_TAG=dev
-          cd ./integration/clusters/single-stateful
-          docker compose up -d
-
-      - name: integration tests
-        run: |
-          go test -run='^$' -bench=. ./... | tee benchmark.txt
-
-      - name: store benchmark
-        uses: benchmark-action/github-action-benchmark@d48d326b4ca9ba73ca0cd0d59f108f9e02a381c7
-        with:
-          tool: "go"
-          output-file-path: benchmark.txt
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          auto-push: true
-          fail-on-alert: true
-          comment-on-alert: true
-          summary-always: true