[732] Remove unnecessary call to xliff_export on pull requests

.github/workflows/on_pull_request.yml

@@ -1,14 +1,9 @@
 name: On pull request
 on:
+  workflow_dispatch:
   pull_request:
     branches:
       - develop
-  workflow_dispatch:
-    inputs:
-      test:
-        description: Just to force the manual trigger 
-        required: false
-        default: 'trigger'
 
 jobs:
   on_pull_request:
@@ -42,6 +37,3 @@ jobs:
         with:
           lane: test_unit_ui
           match_password: ${{ secrets.MATCH_PASSWORD }}
-
-      - name: Commit translation file if changed
-        uses: ./.github/workflows/actions/xliff_export