remove comments

.github/workflows/auto-pr-submodules.yml

@@ -1,13 +1,9 @@
-# This is a basic workflow to help you get started with Actions
 name: Update Submodules and Submit a PR
 
-# Controls when the action will run.
 on:
-  # Triggers the workflow on push  only for the actions-test-branch branches
   push:
     branches:
       - master
-    # Runs every day at midnight UTC
     schedule:
       - cron:  '0 0 * * *'