remove imageName and vmImage

Author: scbedd

eng/pipelines/templates/jobs/ci.yml

@@ -73,8 +73,6 @@ jobs:
 
       pool:
         name: azsdk-pool-mms-ubuntu-2004-general
-        imageName: azsdk-pool-mms-ubuntu-2004-1espt
-        vmImage: azsdk-pool-mms-ubuntu-2004-1espt
         demands: "ImageOverride -equals azsdk-pool-mms-ubuntu-2004-1espt"
         os: linux