Fix duplicate alarm delete messages
Fix duplicate alarm delete messages

When a UVE object gets deleted, any alarms associated with that UVE object
also gets deleted. However, the corresponding UVE key is not removed from the
alarm table in contrail-alarm-gen, resulting in duplicate alarm delete
messages being sent continuously.

Change-Id: I598f58687179d82c11f531b337508385098c9036
Closes-Bug: #1615782

eonpatapon/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller