Removing "cancelled" response

Author: apetenchea

arango/job.py

@@ -60,8 +60,7 @@ def status(self) -> str:
         fail.
 
         :return: Async job status. Possible values are "pending" (job is still
-            in queue), "done" (job finished or raised an error), or "cancelled"
-            (job was cancelled before completion).
+            in queue), "done" (job finished or raised an error).
         :rtype: str
         :raise arango.exceptions.AsyncJobStatusError: If retrieval fails.
         """

docs/async.rst

@@ -45,8 +45,8 @@ the results can be retrieved once available via :ref:`AsyncJob` objects.
 
     # Retrieve the status of each async job.
     for job in [job1, job2, job3, job4]:
-        # Job status can be "pending", "done" or "cancelled".
-        assert job.status() in {'pending', 'done', 'cancelled'}
+        # Job status can be "pending" or "done".
+        assert job.status() in {'pending', 'done'}
 
         # Let's wait until the jobs are finished.
         while job.status() != 'done':