title: ng-Select drop down disable and disable or remove close button
body: <p>I used ng-select option menu but i want to disable or remove it's close button how to do this. here i used code ` </p>
  
  <pre><code>&lt;ng-select id="CompanyID"  [(ngModel)]="CompanyId" placeholder="-- select an option --"&gt;
   &lt;ng-option disabled selected value&gt; -- select an option -- &lt;/ng-option&gt;
   &lt;ng-option *ngFor="let company of Company" [value]="company.Company_ID" [disabled]="true"&gt;{{company.Name}}&lt;/ng-option&gt;
  &lt;/ng-select&gt;`
  </code></pre>