disabled check_storage_env_vars

because the configurations of many backends can be read from the configuration file instead of environment variables.

lightrag/lightrag.py

@@ -426,7 +426,7 @@ class LightRAG:
             # Verify storage implementation compatibility
             self.verify_storage_implementation(storage_type, storage_name)
             # Check environment variables
-            self.check_storage_env_vars(storage_name)
+            # self.check_storage_env_vars(storage_name)
 
         # Ensure vector_db_storage_cls_kwargs has required fields
         default_vector_db_kwargs = {