Deprecate IronicIpVersion

... because the actual parameter has had no effect and was already
deprecated in ironic[1],

[1] b2a249d186b77def6cd449d34fd600520c159a50

Change-Id: I70746432416b89a77e0176e10e634258a932041c

deployment/ironic/ironic-conductor-container-puppet.yaml

@@ -241,7 +241,7 @@ parameters:
     type: comma_delimited_list
   IronicIpVersion:
     default: 4
-    description: The IP version that will be used for PXE booting.
+    description: DEPRECATED, The IP version that will be used for PXE booting.
     type: string
   IronicDhcpv6StatefulAddressCount:
     default: 4
@@ -282,6 +282,7 @@ parameter_groups:
     Openstack mailing list.
   parameters:
   - IronicIPXEEnabled
+  - IronicIpVersion
 
 conditions:
   default_deploy_interface_set:
@@ -409,7 +410,6 @@ outputs:
                   - "%{hiera('ironic_conductor_http_host')}:"
                   - {get_param: IronicIPXEPort}
             ironic::drivers::pxe::ipxe_timeout: {get_param: IronicIPXETimeout}
-            ironic::drivers::pxe::ip_version: {get_param: IronicIpVersion}
             # NOTE: bind IP is found in hiera replacing the network name with the
             # local node IP for the given network; replacement examples
             # (eg. for internal_api):

releasenotes/notes/deprecate-ironic-ip-version-27e24f03da6ddd59.yaml

@@ -0,0 +1,4 @@
+---
+deprecations:
+  - |
+    The ``IronicIpVersion`` parameter has been deprecated and has no effect.