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

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

libs/community/langchain_community/document_loaders/fauna.py

@@ -1,4 +1,4 @@
-from typing import Iterator, List, Optional, Sequence
+from typing import Iterator, Optional, Sequence
 
 from langchain_core.documents import Document
 
@@ -28,9 +28,6 @@ class FaunaLoader(BaseLoader):
         self.secret = secret
         self.metadata_fields = metadata_fields
 
-    def load(self) -> List[Document]:
-        return list(self.lazy_load())
-
     def lazy_load(self) -> Iterator[Document]:
         try:
             from fauna import Page, fql