Remove Heat convergence job on Liberty
Remove Heat convergence job on Liberty

The convergence job was wrongly introduced in
0556858daf9f240419c0a21f32939f0a981b3382 on liberty. We shouldn't run it
there, so let's remove it.

Change-Id: I7a28420874e62fc59c1d1f825cdce328189a858c

dongwenjuan/project-config,openstack-infra/project-config,noorul/os-project-config,openstack-infra/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,Tesora/tesora-project-config,noorul/os-project-config