Delete mardkwon-SEO.yaml

.github/workflows/mardkwon-SEO.yaml

@@ -1,20 +0,0 @@
-name: MD SEO check
-
-on: [push, pull_request]
-
-jobs:
-  seocheck:
-    name: Markdown SEO Check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-      - name: Markdown SEO Check
-        uses: zentered/markdown-seo-check@v1.1.5
-        with:
-          max_title_length: 70
-          max_description_length: 150
-          max_slug_length: 100
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}