Add check for removed repository (#2880)

.github/workflows/checks.yml

@@ -104,6 +104,26 @@ jobs:
       - name: Run the check
         run: python3 -m scripts.check.edits
 
+  removed:
+    runs-on: ubuntu-latest
+    name: Removed repository
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4.2.1
+
+      - name: Set up Python
+        uses: actions/setup-python@v5.2.0
+        with:
+          python-version-file: ".python-version"
+          cache: "pip"
+          cache-dependency-path: "requirements.txt"
+
+      - name: Install dependencies if needed
+        run: scripts/setup
+
+      - name: Run the check
+        run: python3 -m scripts.check.removed
+
   hassfest:
     runs-on: ubuntu-latest
     name: Hassfest