fix: remove failing ci job that builds a test copy to a private repo

.github/workflows/private_registery_push.yml

@@ -1,35 +0,0 @@
-name: 'create docker image on pull request and push to private registery'
-
-on:
-  pull_request:
-    branches:
-      - develop
-  workflow_dispatch:
-
-jobs:
-  build-image:
-    runs-on: self-hosted
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Login to private registery
-        uses: docker/login-action@v2.0.0
-        with:
-          registry: ${{ secrets.REGISTRY_URL }}
-          username: ${{ secrets.REGISTRY_USERNAME }}
-          password: ${{ secrets.REGISTRY_PASSWORD }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: ./
-          file: ./Dockerfile
-          builder: ${{ steps.buildx.outputs.name }}
-          push: true
-          tags: '${{ secrets.REGISTRY_URL }}/fallenbagel/jellyseerr:${{ github.sha }}'
-          cache-from: 'type=registry,ref=${{ secrets.REGISTRY_URL }}/fallenbagel/jellyseerr:buildcache'
-          cache-to: 'type=registry,ref=${{ secrets.REGISTRY_URL }}/fallenbagel/jellyseerr:buildcache,mode=max'