fix: IndentationError in sync_hf.py line 161

Fix extra indent on `return` inside load_from_repo() that caused
RUNTIME_ERROR on HF Space startup.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/sync_hf.py

@@ -158,7 +158,7 @@ class OpenClawFullSync:
             if not openclaw_files:
                 print(f"[SYNC] No {DATASET_PATH}/ folder in dataset. Starting fresh.")
                 self._ensure_default_config()
-                    return
+                return
 
             print(f"[SYNC] Found {len(openclaw_files)} files under {DATASET_PATH}/ in dataset")