Display instructions for using stable repo

frontend/src/app/chart-details/chart-details-usage/chart-details-usage.component.html

@@ -2,7 +2,7 @@
   <h1>Install</h1>
   <mat-tab-group>
     <mat-tab label="Helm CLI">
-      <div *ngIf="showRepoInstructions" class="chart-details-usage__repository">
+      <div class="chart-details-usage__repository">
         <h2 class="chart-details-usage__label">Add {{ chart.attributes.repo.name }} repository</h2>
         <mat-form-field>
           <input matInput floatingPlaceholder=false [value]=repoAddInstructions>

frontend/src/app/chart-details/chart-details-usage/chart-details-usage.component.ts

@@ -42,10 +42,6 @@ export class ChartDetailsUsageComponent implements OnInit {
     });
   }
 
-  get showRepoInstructions(): boolean {
-    return this.chart.attributes.repo.name != 'stable';
-  }
-
   get repoAddInstructions(): string {
     return `helm repo add ${this.chart.attributes.repo.name} ${this.chart
       .attributes.repo.url}`;