UNICORE: Delete .github/workflows directory

Signed-off-by: Puranjay Savar Mattas <puranjaysavarmattas@gmail.com>

.github/workflows/contributors.yml

@@ -1,20 +0,0 @@
-on:
-    push:
-        branches:
-            - main
-
-jobs:
-    contrib-readme-job:
-        runs-on: ubuntu-latest
-        name: A job to automate contrib in readme
-        permissions:
-          contents: write
-          pull-requests: write
-        steps:
-            - name: Contribute List
-              uses: akhilmhdh/contributors-readme-action@v2.3.10
-              with:
-                  image_size: 100
-                  collaborators: all
-              env:
-                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}