Remove .github/workflows/knative-mkdocs.yaml (#5300)

.github/workflows/knative-mkdocs.yaml

@@ -1,47 +0,0 @@
-name: Publish MkDocs
-
-on:
-  push:
-    branches: [ web ]
-
-jobs:
-  mkdocs:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.8'
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: '14'
-
-      - name: Setup Hugo
-        uses: peaceiris/actions-hugo@v2
-        with:
-          hugo-version: '0.83.1'
-          extended: true
-
-      - name: Install dependencies
-        run: |
-          pip install mkdocs-material mkdocs-exclude mkdocs-macros-plugin mkdocs-awesome-pages-plugin mkdocs-redirects
-          npm ci
-
-      - name: Build docs
-        run: |
-          ./hack/build.sh
-
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./site
-          user_name: Knative Automation'
-          user_email: automation@knative.team
-