Remove labeler workflows

.github/workflows/labeler.yml

@@ -1,19 +0,0 @@
-name: "Issue Labeler"
-on:
-  issues:
-    types: [opened, edited, reopened]
-  pull_request:
-    types: [opened, edited, reopened, ready_for_review, synchronize]
-
-jobs:
-  triage:
-    runs-on: ubuntu-latest
-    name: Label issues and pull requests
-    steps:
-      - name: check out
-        uses: actions/checkout@v2
-
-      - name: labeler
-        uses: jinzhu/super-labeler-action@develop
-        with:
-          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"