refactor(spend): drop explanatory docstrings on get_logged_api_key and attach_user_details

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm/proxy/litellm_pre_call_utils.py

@@ -1604,13 +1604,6 @@ class LiteLLMProxyRequestSetup:
 
     @staticmethod
     def get_logged_api_key(user_api_key_dict: UserAPIKeyAuth) -> str | None:
-        """
-        The value spend rows and logging callbacks attribute a request to.
-
-        A CLI session token is a per-login random secret, so the key is the
-        session's stable alias (cli-session-<user_id>) instead: every login of
-        one user rolls up to one key and the live token never lands in a row.
-        """
         if user_api_key_dict.is_session_token and user_api_key_dict.key_alias:
             return user_api_key_dict.key_alias
         return user_api_key_dict.api_key

litellm/proxy/spend_tracking/key_metadata_recovery.py

@@ -219,11 +219,6 @@ async def attach_user_details(
     prisma_client: PrismaClient,
     recovered: Mapping[str, KeyMetadataDict],
 ) -> Mapping[str, KeyMetadataDict]:
-    """
-    Fill user_email from the owner's user row, and for a cli-session key also
-    the team the CLI login attaches on its own: the user's only team. A user in
-    several teams picks one per login, so the alias claims none for them.
-    """
     needing_details: Final = frozenset(
         user_id
         for api_key, meta in recovered.items()