only run on dispatch

.gitea/workflows/android.yml

@@ -2,12 +2,6 @@ name: Build RustDesk Android
 
 on:
   workflow_dispatch:
-  push:
-    branches:
-      - main
-    paths:
-      - ".gitea/workflows/android.yml"
-      - ".gitea/actions/prepare-ram-ci/**"
 
 env:
   # Change only this value to build another RustDesk tag/release.