deleted deprecated workflow

.gitea/workflows/docker-build-push.yml

@@ -1,29 +0,0 @@
-name: Docker Build and Push
-#on: [push]
-on:
-  workflow_dispatch:
-
-jobs:
-  build-and-push:
-    runs-on: docker
-    if: branch == 'main'
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v4
-
-      - name: Login to Registry
-        run: |
-          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login ${{ secrets.REGISTRY_URL }} -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin
-
-      - name: Build Docker Image
-        run: |
-          docker build -t ${{ secrets.REGISTRY_URL }}/FlorianWalther/password-generator:latest .
-
-      - name: Push Docker Image
-        run: |
-          docker push ${{ secrets.REGISTRY_URL }}/FlorianWalther/password-generator:latest
-
-      - name: Cleanup
-        run: |
-          docker system prune -f
-