Fix tns debug ios --emulator

Fixes NativeScript/nativescript-cli#1253

Author: Fatme

lib/simctl.ts

@@ -10,9 +10,6 @@ export class Simctl implements ISimctl {
 
 	public launch(deviceId: string, applicationIdentifier: string): IFuture<string> {
 		let args: string[] = [];
-		if (options.waitForDebugger) {
-			args.push("-w");
-		}
 
 		args = args.concat([deviceId, applicationIdentifier]);