Update MonthlyLinkCheck.yml

Author: sekyondaMeta

.github/workflows/MonthlyLinkCheck.yml

@@ -6,8 +6,6 @@
 
 name: Monthly Link Check
 on:
-  pull_request:
-    branches: [main]
   schedule:
     - cron: '0 0 1 * *'  # Runs at midnight on the first day of every month
   workflow_dispatch:  # Allows manual triggering of the workflow