remove a not successful workflow

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

.github/workflows/copilot-autofix.yml

@@ -1,20 +0,0 @@
-name: Copilot Autofix on New Issue
-
-on:
-  issues:
-    types: [opened]
-
-jobs:
-  assign-to-copilot:
-    # Only trigger on issues with the 'copilot-autofix' label
-    if: contains(github.event.issue.labels.*.name, 'copilot-autofix')
-    runs-on: ubuntu-latest
-    permissions:
-      issues: write
-    steps:
-      - name: Assign issue to Copilot
-        run: |
-          gh issue edit "$ISSUE" --add-assignee copilot
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ISSUE: ${{ github.event.issue.number }}