chore: Fix eslint errors

ui/desktop/app/routes/scopes/scope/projects/targets/target/hosts.js

@@ -1,5 +1,5 @@
 import Route from '@ember/routing/route';
-import { all, hash } from 'rsvp';
+import { all } from 'rsvp';
 import { A } from '@ember/array';
 
 export default class ScopesScopeProjectsTargetsTargetHostsRoute extends Route {

ui/desktop/app/templates/scopes/scope/projects/targets/target/-header.hbs

@@ -1,4 +1,4 @@
 <h2>
-  {{model.displayName}}
+  {{@model.displayName}}
 </h2>
-<p>{{model.description}}</p>
+<p>{{@model.description}}</p>

ui/desktop/app/templates/scopes/scope/projects/targets/target/hosts.hbs

@@ -1,23 +1,19 @@
 {{page-title (t "resources.host-set.title_plural")}}
 
-{{#if @model}}
-
-  <Rose::Table as |table|>
-    <table.body as |body|>
-      {{#each @model as |host|}}
-        <body.row as |row|>
-          <row.cell>
-            {{host.displayName}}
-            <p>{{host.description}}</p>
-          </row.cell>
-          <row.cell>{{host.id}}</row.cell>
-          <row.cell>{{host.attributes.address}}</row.cell>
-          <row.cell>
-            <Rose::Badge>{{t (concat 'resources.host.types.' host.type)}}</Rose::Badge>
-          </row.cell>
-        </body.row>
-      {{/each}}
-    </table.body>
-  </Rose::Table>
-
-{{/if}}
+<Rose::Table as |table|>
+  <table.body as |body|>
+    {{#each @model as |host|}}
+      <body.row as |row|>
+        <row.cell>
+          {{host.displayName}}
+          <p>{{host.description}}</p>
+        </row.cell>
+        <row.cell>{{host.id}}</row.cell>
+        <row.cell>{{host.attributes.address}}</row.cell>
+        <row.cell>
+          <Rose::Badge>{{t (concat 'resources.host.types.' host.type)}}</Rose::Badge>
+        </row.cell>
+      </body.row>
+    {{/each}}
+  </table.body>
+</Rose::Table>