ci: clean up condition updated

Author: paul58914080

.github/workflows/docs.yml

@@ -78,8 +78,7 @@ jobs:
 
   cleanup:
     if: github.event_name == 'pull_request' &&
-      github.event.action == 'closed' &&
-      github.event.pull_request.merged == false
+      github.event.action == 'closed'
     runs-on: ubuntu-latest
 
     steps: