Move cursor render layer to browser

src/common/services/CoreService.ts

@@ -17,7 +17,6 @@ export class CoreService implements ICoreService {
 
   public isCursorInitialized: boolean = false;
   public isCursorHidden: boolean = false;
-  public isFocused: boolean = false;
   public decPrivateModes: IDecPrivateModes;
 
   private _onData = new EventEmitter<string>();

src/common/services/Services.ts

@@ -64,7 +64,6 @@ export interface ICoreService {
    */
   isCursorInitialized: boolean;
   isCursorHidden: boolean;
-  isFocused: boolean;
   readonly decPrivateModes: IDecPrivateModes;
 
   readonly onData: IEvent<string>;