message: Remove redundant notification for mobile app
  Removed redundant OnAppInterfaceUnregistered notification for mobile application,
  which was sent in case SDL recieved OnExitApplication with exit reason - DRIVER_DISTRACTION_VIOLATION.
  Related to:
diff: /*
  - * Copyright (c) 2013, Ford Motor Company
  + * Copyright (c) 2017, Ford Motor Company
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  @@ -68,11 +68,6 @@ void OnExitApplicationNotification::Run() {
  switch (reason) {
  case Common_ApplicationExitReason::DRIVER_DISTRACTION_VIOLATION: {
  - application_manager_.ManageMobileCommand(
  - MessageHelper::GetOnAppInterfaceUnregisteredNotificationToMobile(
  - app_id,
  - AppInterfaceUnregisteredReason::DRIVER_DISTRACTION_VIOLATION),
  - commands::Command::ORIGIN_SDL);
  break;
  }
  case Common_ApplicationExitReason::USER_EXIT: {
  @@ -100,13 +95,9 @@ void OnExitApplicationNotification::Run() {
  return;
  }
  }
  - ApplicationSharedPtr app = application_manager_.application(app_id);
  - if (app) {
  +
  application_manager_.state_controller().SetRegularState(
  - app, HMILevel::HMI_NONE, AudioStreamingState::NOT_AUDIBLE, false);
  - } else {
  - LOG4CXX_ERROR(logger_, "Unable to find appication " << app_id);
  - }
  + app_impl, HMILevel::HMI_NONE, AudioStreamingState::NOT_AUDIBLE, false);
  }
  } // namespace commands
  