Remove empty custom TaskResult for RQ backend

Author: RealOrangeOne

django_tasks/backends/rq.py

@@ -1,5 +1,4 @@
 from collections.abc import Iterable
-from dataclasses import dataclass
 from types import TracebackType
 from typing import Any, Optional, TypeVar
 
@@ -26,8 +25,8 @@
     Task,
     TaskContext,
     TaskError,
+    TaskResult,
 )
-from django_tasks.task import TaskResult as BaseTaskResult
 from django_tasks.utils import get_module_path, get_random_id
 
 T = TypeVar("T")
@@ -46,11 +45,6 @@
 }
 
 
-@dataclass(frozen=True)
-class TaskResult(BaseTaskResult[T]):
-    pass
-
-
 class Job(BaseJob):
     def perform(self) -> Any:
         assert self.worker_name is not None