Revert "Restart app upon debugging" (#2898)

This reverts commit 5b1141c.
In case a second debug attempt fails just throw the error.

Author: Mitko-Kerezov

lib/services/debug-service.ts

@@ -8,7 +8,6 @@ export class DebugService extends EventEmitter implements IDebugService {
 		private $androidDebugService: IPlatformDebugService,
 		private $iOSDebugService: IPlatformDebugService,
 		private $errors: IErrors,
-		private $logger: ILogger,
 		private $hostInfo: IHostInfo,
 		private $mobileHelper: Mobile.IMobileHelper) {
 		super();
@@ -30,14 +29,6 @@ export class DebugService extends EventEmitter implements IDebugService {
 			this.$errors.failWithoutHelp(`The application ${debugData.applicationIdentifier} is not installed on device with identifier ${debugData.deviceIdentifier}.`);
 		}
 
-		if (this.$mobileHelper.isiOSPlatform(device.deviceInfo.platform)) {
-			try {
-				await device.applicationManager.restartApplication(debugData.applicationIdentifier, debugData.projectName);
-			} catch (err) {
-				this.$logger.trace("Failed to restart app", err);
-			}
-		}
-
 		const debugOptions: IDebugOptions = _.merge({}, options);
 		debugOptions.start = true;