remove validate runner

.gitea/workflows/validate-runner.yaml

@@ -1,24 +0,0 @@
-name: Validate Runner Reload
-on:
-  workflow_run:
-    workflows: ["Reload Act Runner Stack to clear cache for workflows"]
-    types:
-      - completed
-
-jobs:
-  validate:
-    runs-on: ubuntu-22.04
-    steps:
-      - name: Wait for Gitainer to restart the runner
-        run: sleep 30
-
-      - name: Check runner age is under 2 minutes
-        run: |
-          runner_start=$(docker run --rm --pid=host alpine stat -c %Y /proc/1)
-          now=$(date +%s)
-          age_seconds=$((now - runner_start))
-          echo "Runner age: $age_seconds seconds"
-          if [ "$age_seconds" -gt 120 ]; then
-            echo "Validation Failed! Runner did not restart."
-            exit 1
-          fi