Disable swift by default

Follow kolla's default value for swift enablement - disabled.

ansible/group_vars/all/kolla

@@ -240,7 +240,7 @@ kolla_enable_nova: "yes"
 kolla_enable_magnum: "no"
 kolla_enable_murano: "no"
 kolla_enable_sahara: "no"
-kolla_enable_swift: "yes"
+kolla_enable_swift: "no"
 
 ###############################################################################
 # Passwords and credentials.

doc/source/release-notes.rst

@@ -25,6 +25,8 @@ Upgrade Notes
   to ``True``.  Management of the firewall by ironic inspector is important to
   ensure that DHCP offers are not made to nodes during provisioning by
   inspector's DHCP server.
+* Disables swift by default. The default value of ``kolla_enable_swift`` is
+  now ``no``.
 
 Kayobe 3.0.0
 ============