ceph-defaults: regenerate group_vars samples

In fc02fc98

 the group_vars samples have been generated but only for
monitor_address variable not radosgw_address.
Signed-off-by: Dimitri Savineau <dsavinea@redhat.com>

group_vars/all.yml.sample

@@ -421,7 +421,7 @@ dummy:
 # Eg. If you want to specify for each radosgw node which address the radosgw will bind to you can set it in your **inventory host file** by using 'radosgw_address' variable.
 # Preference will go to radosgw_address if both radosgw_address and radosgw_interface are defined.
 #radosgw_interface: interface
-#radosgw_address: 0.0.0.0
+#radosgw_address: x.x.x.x
 #radosgw_address_block: subnet
 #radosgw_keystone_ssl: false # activate this when using keystone PKI keys
 #radosgw_num_instances: 1

group_vars/rhcs.yml.sample

@@ -421,7 +421,7 @@ ceph_iscsi_config_dev: false
 # Eg. If you want to specify for each radosgw node which address the radosgw will bind to you can set it in your **inventory host file** by using 'radosgw_address' variable.
 # Preference will go to radosgw_address if both radosgw_address and radosgw_interface are defined.
 #radosgw_interface: interface
-#radosgw_address: 0.0.0.0
+#radosgw_address: x.x.x.x
 #radosgw_address_block: subnet
 #radosgw_keystone_ssl: false # activate this when using keystone PKI keys
 #radosgw_num_instances: 1