Remove Ember deprecation banner (#5241)

Author: nwmac

app/authenticated/cluster/edit/template.hbs

@@ -4,12 +4,6 @@
   </h1>
 </section>
 
-<BannerMessage
-  @color="bg-warning"
-  @icon="icon-alert"
-  @message={{t "clustersPage.emberDeprecationMessage" htmlSafe=true}}
-/>
-
 <CruCluster
   @applyClusterTemplate={{not (is-empty clusterTemplateRevision)}}
   @clusterTemplateRevisionId={{mut clusterTemplateRevision}}

lib/global-admin/addon/clusters/new/template.hbs

@@ -20,10 +20,5 @@
   </h1>
 </section>
 <section class="cluster-launch">
-  <BannerMessage
-    @color="bg-warning"
-    @icon="icon-alert"
-    @message={{t "clustersPage.emberDeprecationMessage" htmlSafe=true}}
-  />
   {{outlet}}
 </section>

translations/en-us.yaml

@@ -1426,7 +1426,6 @@ clustersPage:
       label: "Add Cluster - Select Cluster Type"
     template:
       label: "Add Cluster - Select RKE Template"
-  emberDeprecationMessage: 'Support for UI Plugins (based on Ember) for cluster and node drivers was deprecated in Rancher 2.11.0 and will be removed in a future release. These need to be migrated to the new <a href="https://extensions.rancher.io" target="_blank" rel="noopener noreferrer nofollow">UI Extensions framework</a>.'
 
 clusterRibbonNav:
   title: Recent Clusters