remove cron schedule from example usage. no need for this to run every monday but users can set cron as required in their jobs

Author: devopsdina

.github/workflows/example-usage.yml

@@ -1,9 +1,5 @@
 name: Example - LaunchDarkly Flag Expiry Audit
 on:
-  # Run every Monday at 9 AM UTC
-  schedule:
-    - cron: '0 9 * * 1'
-  # Allow manual triggers
   workflow_dispatch:
     inputs:
       days_ahead: