The `isSilenced` and `isSuspended` aliases were useless

We already had `silenced` and `suspended` on the model with the same
effect!

app/assets/javascripts/admin/models/admin-user.js.es6

@@ -240,8 +240,6 @@ const AdminUser = Discourse.User.extend({
     return this.get('trust_level') < 4;
   }.property('trust_level'),
 
-  isSuspended: Em.computed.equal('suspended', true),
-  isSilenced: Ember.computed.equal('silenced', true),
   canSuspend: Em.computed.not('staff'),
 
   suspendDuration: function() {

app/assets/javascripts/admin/templates/user-index.hbs

@@ -318,18 +318,18 @@
     </div>
   </div>
 
-    <div class="user-suspended display-row {{if model.isSuspended 'highlight-danger'}}">
-      <div class='field'>{{i18n 'admin.user.suspended'}}</div>
-      <div class='value'>
-        {{i18n-yes-no model.isSuspended}}
-        {{#if model.isSuspended}}
-          {{#unless model.suspendedForever}}
-            {{i18n "admin.user.suspended_until" until=model.suspendedTillDate}}
-          {{/unless}}
-        {{/if}}
-      </div>
-      <div class='controls'>
-      {{#if model.isSuspended}}
+  <div class="user-suspended display-row {{if model.suspended 'highlight-danger'}}">
+    <div class='field'>{{i18n 'admin.user.suspended'}}</div>
+    <div class='value'>
+      {{i18n-yes-no model.suspended}}
+      {{#if model.suspended}}
+        {{#unless model.suspendedForever}}
+          {{i18n "admin.user.suspended_until" until=model.suspendedTillDate}}
+        {{/unless}}
+      {{/if}}
+    </div>
+    <div class='controls'>
+      {{#if model.suspended}}
         {{d-button
           class="btn-danger unsuspend-user"
           action=(action "unsuspend")
@@ -349,7 +349,7 @@
     </div>
   </div>
 
-  {{#if model.isSuspended}}
+  {{#if model.suspended}}
     <div class='display-row highlight-danger suspension-info'>
       <div class='field'>{{i18n 'admin.user.suspended_by'}}</div>
       <div class='value'>
@@ -367,7 +367,7 @@
     <div class='field'>{{i18n 'admin.user.silenced'}}</div>
     <div class='value'>
       {{i18n-yes-no model.silenced}}
-      {{#if model.isSilenced}}
+      {{#if model.silenced}}
         {{#unless model.silencedForever}}
           {{i18n "admin.user.suspended_until" until=model.silencedTillDate}}
         {{/unless}}
@@ -394,7 +394,7 @@
     </div>
   </div>
 
-  {{#if model.isSilenced}}
+  {{#if model.silenced}}
     <div class='display-row highlight-danger silence-info'>
       <div class='field'>{{i18n 'admin.user.silenced_by'}}</div>
       <div class='value'>
@@ -408,6 +408,7 @@
     </div>
   {{/if}}
 
+
 </section>
 
 {{#if currentUser.admin}}

app/assets/javascripts/discourse/components/user-card-contents.js.es6

@@ -18,7 +18,6 @@ export default Ember.Component.extend(CardContentsBase, CanCheckEmails, CleansUp
   showFilter: Ember.computed.and('viewingTopic', 'postStream.hasNoFilters', 'enoughPostsForFiltering'),
   showName: propertyNotEqual('user.name', 'user.username'),
   hasUserFilters: Ember.computed.gt('postStream.userFilters.length', 0),
-  isSuspended: Ember.computed.notEmpty('user.suspend_reason'),
   showMoreBadges: Ember.computed.gt('moreBadgesCount', 0),
   showDelete: Ember.computed.and("viewingAdmin", "showName", "user.canBeDeleted"),
   linkWebsite: Ember.computed.not('user.isBasic'),

app/assets/javascripts/discourse/controllers/user.js.es6

@@ -39,9 +39,9 @@ export default Ember.Controller.extend(CanCheckEmails, {
 
   showStaffCounters: Ember.computed.or('hasGivenFlags', 'hasFlaggedPosts', 'hasDeletedPosts', 'hasBeenSuspended', 'hasReceivedWarnings'),
 
-  @computed('model.isSuspended', 'currentUser.staff')
-  isNotSuspendedOrIsStaff(isSuspended, isStaff) {
-    return !isSuspended || isStaff;
+  @computed('model.suspended', 'currentUser.staff')
+  isNotSuspendedOrIsStaff(suspended, isStaff) {
+    return !suspended || isStaff;
   },
 
   linkWebsite: Em.computed.not('model.isBasic'),

app/assets/javascripts/discourse/models/user.js.es6

@@ -169,8 +169,6 @@ const User = RestModel.extend({
   isElder: Em.computed.equal('trust_level', 4),
   canManageTopic: Em.computed.or('staff', 'isElder'),
 
-  isSuspended: Em.computed.equal('suspended', true),
-
   @computed("previous_visit_at")
   previousVisitAt(previous_visit_at) {
     return new Date(previous_visit_at);

app/assets/javascripts/discourse/templates/components/user-card-contents.hbs

@@ -84,7 +84,7 @@
       args=(hash user=user close=(action "close"))
       tagName=""}}
 
-    {{#if isSuspended}}
+    {{#if user.suspend_reason}}
       <div class='suspended'>
         {{d-icon "ban"}}
         <b>{{i18n 'user.suspended_notice' date=user.suspendedTillDate}}</b><br>

app/assets/javascripts/discourse/templates/user.hbs

@@ -107,7 +107,7 @@
             </h3>
 
             <div class='bio'>
-              {{#if model.isSuspended}}
+              {{#if model.suspended}}
                 <div class='suspended'>
                   {{d-icon "ban"}}
                   <b>