community: Use default load() implementation in doc loaders (#18385)

Following https://github.com/langchain-ai/langchain/pull/18289

libs/community/langchain_community/document_loaders/weather.py

@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 from datetime import datetime
-from typing import Iterator, List, Optional, Sequence
+from typing import Iterator, Optional, Sequence
 
 from langchain_core.documents import Document
 
@@ -43,9 +43,3 @@ class WeatherDataLoader(BaseLoader):
             metadata = {"queried_at": datetime.now()}
             content = self.client.run(place)
             yield Document(page_content=content, metadata=metadata)
-
-    def load(
-        self,
-    ) -> List[Document]:
-        """Load weather data for the given locations."""
-        return list(self.lazy_load())