finish terraform destory yml

Author: falconlee236

.github/workflows/terraform_destroy.yml

@@ -1,8 +1,6 @@
 name: 'Terraform destroy'
 
 on:
-  push:
-    branches: [ "main" ]
   schedule:
     - cron: "0 15 * * 1-5" # UTC standard -> KRT = UTC + 9, KRT 13:00 = 04:00 + 9