Remove unused workflow

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

.github/workflows/release.yml

@@ -1,61 +0,0 @@
-name: Release
-
-on:
-  push:
-    tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
-
-jobs:
-  docker:
-    name: Docker
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Get Version
-        id: info
-        run: |
-          VERSION=$(shell ./scripts/git-version)
-          echo ::set-output name=version::${VERSION}
-          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-        with:
-          platforms: all
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v1
-        with:
-          install: true
-          version: latest
-          # TODO: Remove driver-opts once fix is released docker/buildx#386
-          driver-opts: image=moby/buildkit:master
-
-      - name: Login to DockerHub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Build and Push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: Dockerfile
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
-          push: true
-          tags: |
-            dexidp/dex:latest
-            dexidp/dex:${{ steps.info.outputs.version }}
-          labels: |
-            org.opencontainers.image.title=${{ github.event.repository.name }}
-            org.opencontainers.image.description=${{ github.event.repository.description }}
-            org.opencontainers.image.url=${{ github.event.repository.html_url }}
-            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
-            org.opencontainers.image.version=${{ steps.info.outputs.version }}
-            org.opencontainers.image.created=${{ steps.info.outputs.created }}
-            org.opencontainers.image.revision=${{ github.sha }}
-            org.opencontainers.image.licenses=${{ github.event.repository.license.spdx_id }}