removed unused workflow

.github/workflows/cache-purge.yml

@@ -1,22 +0,0 @@
-name: 🗑️ Cache Purge
-
-on:
-  push:
-    tags:
-      - '*'
-  workflow_dispatch:
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    if: github.repository == 'projectdiscovery/nuclei-templates'
-    steps:
-      # Wait for 5 minutes
-      - name: Wait for 2 minutes
-        run: sleep 120
-
-      - name: Purge cache
-        uses: jakejarvis/cloudflare-purge-action@master
-        env:
-          CLOUDFLARE_ZONE: ${{ secrets.CLOUDFLARE_ZONE }}
-          CLOUDFLARE_TOKEN: ${{ secrets.CLOUDFLARE_TOKEN }}