Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/Common/RTCUIApplication.h

Index: webrtc/sdk/objc/Framework/Classes/Common/RTCUIApplication.h
diff --git a/webrtc/sdk/objc/Framework/Classes/Common/RTCUIApplication.h b/webrtc/sdk/objc/Framework/Classes/Common/RTCUIApplication.h
deleted file mode 100644
index 3df6d530b8f15bac2429acab8e08db2fa24d24ed..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/Classes/Common/RTCUIApplication.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_UI_RTCUIAPPLICATION_H_
-#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_UI_RTCUIAPPLICATION_H_
-
-#include "WebRTC/RTCMacros.h"
-
-#if defined(WEBRTC_IOS)
-/** Convenience function to get UIApplicationState from C++. */
-RTC_EXTERN bool RTCIsUIApplicationActive();
-#endif  // WEBRTC_IOS
-
-#endif  // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_UI_RTCUIAPPLICATION_H_