remove accidental abstractmethod

Author: graingert

mypy/typeshed/stdlib/asyncio/base_events.pyi

@@ -86,7 +86,6 @@ class BaseEventLoop(AbstractEventLoop):
     def create_future(self) -> Future[Any]: ...
     # Tasks methods
     if sys.version_info >= (3, 13, 2):
-        @abstractmethod
         def create_task(
             self, coro: _TaskCompatibleCoro[_T], *, name: str | None = None, context: Context | None = None, eager_start: bool | None = None
         ) -> Task[_T]: ...