Remove "periodic_interval" config option

This was deprecated February 24, 2016. It's time to remove it.

Change-Id: If82a6a2c94b22ddcd8707bc8bd7f73ecaa24e021

etc/ironic/ironic.conf.sample

@@ -117,12 +117,6 @@
 # Options defined in ironic.common.service
 #
 
-# Default interval (in seconds) for running driver periodic
-# tasks. (integer value)
-# This option is deprecated for removal.
-# Its value may be silently ignored in the future.
-#periodic_interval = 60
-
 # Name of this node. This can be an opaque identifier. It is
 # not necessarily a hostname, FQDN, or IP address. However,
 # the node name must be valid within an AMQP key, and if using

ironic/common/service.py

@@ -38,11 +38,6 @@ from ironic.objects import base as objects_base
 
 
 service_opts = [
-    cfg.IntOpt('periodic_interval',
-               default=60,
-               help=_('Default interval (in seconds) for running driver '
-                      'periodic tasks.'),
-               deprecated_for_removal=True),
     cfg.StrOpt('host',
                default=socket.getfqdn(),
                help=_('Name of this node. This can be an opaque identifier. '

releasenotes/notes/remove-periodic-interval-45f57ebad9aaa14e.yaml

@@ -0,0 +1,3 @@
+---
+upgrade:
+  - Removes the deprecated config option "periodic_interval".