remove extra import

Author: cal-smith

src/dialog/overflow-menu/overflow-menu.component.ts

@@ -3,7 +3,6 @@ import {
 	ElementRef,
 	Input,
 	ViewEncapsulation,
-	AfterViewInit,
 	ContentChild
 } from "@angular/core";
 import { I18n } from "./../../i18n/i18n.module";