Fix reprocessing POST request

The POST request for triggering reprocessing needs to be made to
``/v2/task/reprocesses``. This is the same as for other requests, so we
can drop ``url_for_post``.

Change-Id: If630d4f313c875733dbe1937ff7ca625821e04af
(cherry picked from commit 6ee36ef0e3)

cloudkittyclient/v2/reprocessing.py

@@ -19,8 +19,6 @@ class ReprocessingManager(base.BaseManager):
 
     url = '/v2/task/reprocesses'
 
-    url_to_post = '/v2/task/reprocess'
-
     def get_reprocessing_tasks(self, offset=0, limit=100, scope_ids=[],
                                order="DESC", **kwargs):
         """Returns a paginated list of reprocessing tasks.
@@ -75,4 +73,4 @@ class ReprocessingManager(base.BaseManager):
 
         body = dict(filter(lambda elem: bool(elem[1]), body.items()))
 
-        return self.api_client.post(self.url_to_post, json=body).json()
+        return self.api_client.post(self.url, json=body).json()

releasenotes/notes/fix-reprocessing-post-request-95512686754ee271.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixed a bug where creating a reprocessing task would fail due to sending a
+    POST request to the wrong endpoint.