Remove deprecated app.queues.select_subset/select_remove (use select/deselect)

celery/app/__init__.py

@@ -88,8 +88,6 @@ if os.environ.get('CELERY_TRACE_APP'):  # pragma: no cover
 else:
     disable_trace()
 
-App = Celery  # XXX Compat
-
 
 def shared_task(*args, **kwargs):
     """Create shared tasks (decorator).

celery/app/amqp.py

@@ -188,7 +188,6 @@ class Queues(dict):
             self._consume_from = {
                 name: self[name] for name in maybe_list(include)
             }
-    select_subset = select  # XXX compat
 
     def deselect(self, exclude):
         """Deselect queues so that they will not be consumed from.
@@ -205,7 +204,6 @@ class Queues(dict):
             # using all queues
             for queue in exclude:
                 self._consume_from.pop(queue, None)
-    select_remove = deselect  # XXX compat
 
     def new_missing(self, name):
         return Queue(name, self.autoexchange(name), name)