refactor: Update 'deleteHostSet' to use hostset's id

addons/api/addon/models/target.js

@@ -81,12 +81,12 @@ export default class TargetModel extends GeneratedTargetModel {
 
   /**
    * Delete a single host set via the `delete-host-sets` method.
-   * @param {object} hostSet
+   * @param {number} hostSetID
    * @param {object} options
    * @return {Promise}
    */
-  deleteHostSet(hostSet, options) {
-    return this.deleteHostSets([hostSet.id], options);
+  deleteHostSet(hostSetID, options) {
+    return this.deleteHostSets([hostSetID], options);
   }
 
 }

addons/api/tests/unit/models/target-test.js

@@ -153,6 +153,6 @@ module('Unit | Model | target', function (hooks) {
       }
     });
     const model = store.peekRecord('target', '123abc');
-    await model.deleteHostSet({id: '3'});
+    await model.deleteHostSet('3');
   });
 });

ui/core/app/routes/scopes/scope/projects/project/targets/target/host-sets.js

@@ -59,7 +59,7 @@ export default class ScopesScopeProjectsProjectTargetsTargetHostSetsRoute extend
   @action
   async delete(target, hostSet) {
     try {
-      await target.deleteHostSet(hostSet);
+      await target.deleteHostSet(hostSet.id);
       this.refresh();
       this.notify.success(this.intl.t('notify.delete-success'));
       this.transitionTo('scopes.scope.projects.project.targets.target.host-sets');