Update main.yml (#795)

.github/workflows/main.yml

@@ -166,22 +166,3 @@ jobs:
         run: |
           df -h
           docker system df
-
-  # deploy documentation only on release
-  deploy-docs:
-    name: Deploy docs (on release only)
-    needs: [docs-build-test]
-    runs-on: ubuntu-latest
-    if: github.event_name == 'release' && startsWith(github.ref, 'refs/tags')
-    steps:
-      - name: Checkout source
-        uses: actions/checkout@v2
-      - name: Deploy docs
-        uses: mhausenblas/mkdocs-deploy-gh-pages@1.16
-        env:
-          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
-          REQUIREMENTS: docs/requirements.txt
-      - name: Disk Free After
-        run: |
-          df -h
-          docker system df