Remove Docker push action

.github/workflows/push_docker.yaml

@@ -1,51 +0,0 @@
-name: Push Docker image
-
-on:
-  push:
-    branches:
-      - master
-    paths:
-      - '.github/workflows/push_docker.yaml'
-      - 'pegasus/**'
-      - 'scripts/**'
-      - 'sharegpt/**'
-      - 'spitfight/**'
-      - 'deployment/benchmark.Dockerfile'
-      - 'LICENSE'
-      - 'requirements-benchmark.txt'
-      - '.gitignore'
-
-concurrency:
-  group: ${{ github.ref }}-dhpush
-  cancel-in-progress: true
-
-jobs:
-  build_and_push:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-      - name: Docker Hub login
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKER_HUB_TOKEN }}
-      - name: Generate image metadata
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: mlenergy/leaderboard
-          tags: latest
-      - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Build and push to Docker Hub
-        uses: docker/build-push-action@v3
-        with:
-          context: .
-          file: deployment/benchmark.Dockerfile
-          builder: ${{ steps.buildx.outputs.name }}
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=mlenergy/leaderboard:buildcache
-          cache-to: type=registry,ref=mlenergy/leaderboard:buildcache,mode=max