Simplify checkout step in lint workflow

Remove unnecessary 'with' block for checkout action.

Author: submarcos

.github/workflows/lint.yml

@@ -54,8 +54,6 @@ jobs:
     steps:
       - uses: actions/checkout@v6
         if: github.event.pull_request.head.repo.full_name != github.repository
-        with:
-          ref: ${{ github.head_ref }}
 
       - uses: actions/checkout@v6
         if: github.event.pull_request.head.repo.full_name == github.repository
@@ -102,4 +100,4 @@ jobs:
         with:
             # Optional. Commit message for the created commit.
             # Defaults to "Apply automatic changes"
-            commit_message: "Fix translation files"
+            commit_message: "Fix translation files"