Cleanup: remove unnecessary check left in last commit

Should have been removed in 236c0f61b1.

scripts/modules/bpy_extras/asset_utils.py

@@ -28,7 +28,7 @@ class SpaceAssetInfo:
     @classmethod
     def get_active_asset(cls, context: Context):
         if active_file := getattr(context, "active_file", None):
-            return active_file.asset_data if active_file else None
+            return active_file.asset_data
 
 
 class AssetBrowserPanel: