lib/tempest: Post juno-eol cleanup

There's no need to change these Tempest's default anymore.
The feature flags are left in Tempest so that downstream distros can
continue to use Tempest to test Juno.

Change-Id: I99f286d0febb1675b8feb91b6801ad0b159da332

Author: Jordan Pittier

lib/tempest

@@ -450,10 +450,6 @@ function configure_tempest {
     iniset $TEMPEST_CONFIG validation network_for_ssh $PRIVATE_NETWORK_NAME
 
     # Volume
-    # TODO(dkranz): Remove the bootable flag when Juno is end of life.
-    iniset $TEMPEST_CONFIG volume-feature-enabled bootable True
-    # TODO(jordanP): Remove the extend_with_snapshot flag when Juno is end of life.
-    iniset $TEMPEST_CONFIG volume-feature-enabled extend_with_snapshot True
     # TODO(obutenko): Remove the incremental_backup_force flag when Kilo and Juno is end of life.
     iniset $TEMPEST_CONFIG volume-feature-enabled incremental_backup_force True
     # TODO(ynesenenko): Remove the volume_services flag when Liberty and Kilo will correct work with host info.