Removes celery.execute.apply (scheduled for 2.3)

celery/execute/__init__.py

@@ -7,12 +7,6 @@ from ..utils import deprecated
 send_task = current_app.send_task
 
 
-@deprecated(removal="2.3", alternative="Use task.apply() instead.")
-def apply(task, *args, **kwargs):
-    """*[Deprecated]* Use `task.apply()`"""
-    return task.apply(*args, **kwargs)
-
-
 @deprecated(removal="2.3",
             alternative="Use registry.tasks[name].delay instead.")
 def delay_task(task, *args, **kwargs):