refactor(nav-interfaces): remove unecessary semicolons (#11450)

src/navigation/nav-interfaces.ts

@@ -2,30 +2,30 @@ import { NavOptions } from './nav-util';
 
 export interface Nav {
   goToRoot(opts: NavOptions): Promise<any>;
-};
+}
 
 export interface Tabs {
   _tabs: Tab[];
   select(tabOrIndex: number | Tab, opts: NavOptions): void;
   _top: number;
   setTabbarPosition(top: number, bottom: number): void;
-};
+}
 
 export interface Tab {
   tabUrlPath: string;
   tabTitle: string;
   index: number;
-};
+}
 
 export interface Content {
   resize(): void;
-};
+}
 
 export interface Footer {
-};
+}
 
 export interface Header {
-};
+}
 
 export interface Navbar {
   setBackButtonText(backButtonText: string): void;