Removes compat property Request.task_id (now .id)

celery/tests/worker/test_request.py

@@ -380,15 +380,6 @@ class test_Request(RequestCase):
             einfo.internal = True
             job.on_failure(einfo)
 
-    def test_compat_properties(self):
-        job = self.xRequest()
-        self.assertEqual(job.task_id, job.id)
-        self.assertEqual(job.task_name, job.name)
-        job.task_id = 'ID'
-        self.assertEqual(job.id, 'ID')
-        job.task_name = 'NAME'
-        self.assertEqual(job.name, 'NAME')
-
     def test_terminate__pool_ref(self):
         pool = Mock()
         signum = signal.SIGTERM

celery/worker/request.py

@@ -425,15 +425,6 @@ class Request:
         return (not self.task.ignore_result or
                 self.task.store_errors_even_if_ignored)
 
-    @property
-    def task_id(self):
-        # XXX compat
-        return self.id
-
-    @task_id.setter  # noqa
-    def task_id(self, value):
-        self.id = value
-
     @property
     def task_name(self):
         # XXX compat