Remove cron from double snapshots

.github/workflows/snapshot-both-pc-android.yml

@@ -8,9 +8,6 @@ on:
         description: 'Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)'
         required: false
         default: false
-  schedule:
-    # * is a special character in YAML so you have to quote this string
-    - cron:  '30 18 * * *'
 
 jobs:
   build: