Dovetail will not trigger apex test on huawei-pod4

1. Jobs to deploy Apex danube has been merged.
   This job will deploy Apex and then run Dovetail.
2. So Dovetail don't need to run test on huawei-pod4,
   because it will be triggered by Apex deploy job.

JIRA: DOVETAIL-503

Change-Id: I49850a6c45e977ee3e5e8ad246b90a3dbd16884c
Signed-off-by: xudan <xudan16@huawei.com>