fix: remove dead _save_user_data function and stale mock

lib/crewai/src/crewai/events/listeners/tracing/utils.py

@@ -144,15 +144,6 @@ def _user_data_lock_name() -> str:
     return f"file:{os.path.realpath(_user_data_file())}"
 
 
-def _save_user_data(data: dict[str, Any]) -> None:
-    try:
-        p = _user_data_file()
-        with store_lock(_user_data_lock_name()):
-            p.write_text(json.dumps(data, indent=2))
-    except (OSError, PermissionError) as e:
-        logger.warning(f"Failed to save user data: {e}")
-
-
 def update_user_data(updates: dict[str, Any]) -> None:
     """Atomically read-modify-write the user data file.
 

lib/crewai/tests/tracing/test_tracing.py

@@ -23,15 +23,9 @@ class TestTraceListenerSetup:
     @pytest.fixture(autouse=True)
     def mock_user_data_file_io(self):
         """Mock user data file I/O to prevent file system pollution between tests"""
-        with (
-            patch(
-                "crewai.events.listeners.tracing.utils._load_user_data",
-                return_value={},
-            ),
-            patch(
-                "crewai.events.listeners.tracing.utils._save_user_data",
-                return_value=None,
-            ),
+        with patch(
+            "crewai.events.listeners.tracing.utils._load_user_data",
+            return_value={},
         ):
             yield