Remove YAML docs from the repo

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/validate.yml

@@ -31,3 +31,18 @@ jobs:
         name: Run
         run: |
           make ${{ matrix.target }}
+
+  validate-docs-yaml:
+    runs-on: ubuntu-latest
+    needs:
+      - validate
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Run
+        run: |
+          make docs
+        env:
+          FORMATS: yaml