Remove workflow and disable build nodejs docker (#286)

* Remove workflow and disable build

* Remove Dockerfile

.github/workflows/build.yaml

@@ -1,45 +0,0 @@
-### This workflow build and push image ###
-name: Multi-arch build 
-
-on:
-  push:
-    tags:
-      - "v*"
-      
-jobs:
-  build:
-    name: Build 
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code 
-        uses: actions/checkout@v2
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Available platforms
-        run: echo ${{ steps.buildx.outputs.platforms }}
-     
-      - name: Login to Docker Hub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
-
-      - name: Get Tag Name
-        id: tag_name
-        run: |
-          echo ::set-output name=SOURCE_TAG::${GITHUB_REF#refs/tags/}
-
-      - name: Submodules init
-        run: git submodule update --init
-
-      - name: Build multiarch docs-example
-        run: |
-          DOCKER_TAG=$(echo ${{ steps.tag_name.outputs.SOURCE_TAG }} | sed 's/^.//')
-          docker buildx build -t onlyoffice/docs-example:$DOCKER_TAG \
-          -t onlyoffice/docs-example:latest --platform linux/amd64,linux/arm64 --push web/documentserver-example/nodejs/.