Remove specifying git info to simplify Github workflow setup (#330)

Author: runningcode

.github/workflows/android_emerge_snapshots.yml

@@ -30,8 +30,6 @@ jobs:
         run: ./gradlew :app:emergeUploadSnapshotBundleDebug
         env:
           EMERGE_API_TOKEN: ${{ secrets.EMERGE_API_KEY }}
-          PR_SHA: ${{ github.event.pull_request.head.sha }}
-          PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
 
   roborazzi:
     runs-on: ubuntu-latest