remove build workflows

.github/workflows/build-push-docker-image.yml

@@ -1,30 +0,0 @@
-name: Blockbook docker image | Build and Push
-run-name: Building and pushing blockbook docker image to DockerHub
-on: [push]
-
-jobs:
-  build-push-blockbook-docker:
-    runs-on: self-hosted
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
-
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          push: true
-          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/blockbook:1.0.0
-
-      - name: Log out from Docker Hub
-        run: docker logout

.github/workflows/learn-github-actions.yml

@@ -1,13 +0,0 @@
-name: learn-github-actions
-run-name: ${{ github.actor }} is learning GitHub Actions
-on: [push]
-jobs:
-  check-bats-version:
-    runs-on: self-hosted
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-      - run: npm install -g bats
-      - run: bats -v