Update documentation

Signed-off-by: Mathias L. Baumann <[email protected]>

Author: Marenz

src/frequenz/client/dispatch/_client.py

@@ -249,9 +249,6 @@ async def create(  # pylint: disable=too-many-positional-arguments
     ) -> Dispatch:
         """Create a dispatch.
 
-        Will try to return the created dispatch, identifying it by
-        the same fields as the request.
-
         Args:
             microgrid_id: The microgrid_id to create the dispatch for.
             type: User defined string to identify the dispatch type.