Fix test/lint

src/browser/Terminal.test.ts

@@ -135,7 +135,7 @@ describe('Terminal', () => {
       term.onBell(e => {
         done();
       });
-      term.write('\a');
+      term.write('\x07');
     });
   });
 

src/common/Types.d.ts

@@ -357,7 +357,6 @@ export interface IAnsiColorChangeEvent {
  */
 export interface IInputHandler {
   onTitleChange: IEvent<string>;
-  onRequestBell: IEvent<void>;
 
   parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean>;
   print(data: Uint32Array, start: number, end: number): void;