Merge "Remove cell setup and db creation nova upgrade"

ansible/roles/nova/tasks/upgrade.yml

@@ -2,14 +2,6 @@
 # Create new set of configs on nodes
 - include: config.yml
 
-# TODO(inc0): since nova is creating new database in L->M, we need to call it.
-# It should be removed later
-- include: bootstrap.yml
-
-# TODO(Jeffrey4l): Since nova need setup nova cell in N->O, we need to call it.
-# This should be removed later
-- include: simple_cell_setup.yml
-
 - include: bootstrap_service.yml
 
 - include: register.yml