remove id field from CDM

There are 3 related fields(id, uuid and hostname) in ComputeNode[1].
according to [2], after nova api 2.53, the id of the hypervisor as a UUID.
and service.host is equal to hypervisor name for compute node.
so we can remove id and only keep uuid then set uuid to node.id

[1]:https://github.com/openstack/watcher/blob/master/watcher/decision_engine/model/collector/nova.py#L306
[2]:https://developer.openstack.org/api-ref/compute/?expanded=list-hypervisors-details-detail#list-hypervisors-details

Change-Id: Ie1d1ad56808270d936ec25186061f7f12cc49fdc
Closes-Bug: #1835192
Depends-on: I752fbfa560313e28e87d83e46431c283b4db4f23
Depends-on: I0975500f359de92b6d6fdea2e01614cf0ba73f05

watcher/tests/applier/actions/test_change_nova_service_state.py

@@ -50,7 +50,7 @@ class TestChangeNovaServiceState(base.TestCase):
         self.addCleanup(m_nova_helper.stop)
 
         self.input_parameters = {
-            baction.BaseAction.RESOURCE_ID: "compute-1",
+            "resource_name": "compute-1",
             "state": element.ServiceState.ENABLED.value,
         }
         self.action = change_nova_service_state.ChangeNovaServiceState(