[release] Synchronise with latest kayobe changes for Yoga

Change-Id: I4a2973564350fc8097706929a9eeb79598c7ad05

Author: priteau

etc/kayobe/kolla.yml

@@ -328,7 +328,6 @@
 #kolla_enable_horizon_zun:
 #kolla_enable_influxdb:
 #kolla_enable_ironic:
-#kolla_enable_ironic_ipxe:
 #kolla_enable_ironic_neutron_agent:
 #kolla_enable_ironic_pxe_uefi:
 #kolla_enable_iscsid:

etc/kayobe/proxy.yml

@@ -11,8 +11,10 @@
 #https_proxy:
 
 # List of domains, hostnames, IP addresses and networks for which no proxy is
-# used. Defaults to ["127.0.0.1", "localhost", "{{ docker_registry }}"]. This
-# is configured only if either http_proxy or https_proxy is set.
+# used. Defaults to ["127.0.0.1", "localhost", "{{ ('http://' ~
+# docker_registry) | urlsplit('hostname') }}"] if docker_registry is set, or
+# ["127.0.0.1", "localhost"] otherwise. This is configured only if either
+# http_proxy or https_proxy is set.
 #no_proxy:
 
 ###############################################################################