remove github workflow

Author: link2xt

.github/workflows/build-deb.yml

@@ -29,8 +29,10 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
 
-      - name: list everything
+      # Workaround for "unexpected upstream changes".
+      - name: remove github workflow
         run: |
+          rm -fr dovecot/.github
           ls -la dovecot
 
       - name: build