Removed file RTCCameraVideoCapturer.mm that isn't needed

webrtc/sdk/objc/Framework/UnitTests/RTCCameraVideoCapturerTests.mm

 /*
  *  Copyright 2017 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.
  */
 
 #import <OCMock/OCMock.h>
 
 #if TARGET_OS_IPHONE
 #import <UIKit/UIKit.h>
 #endif
 
 #include "webrtc/rtc_base/gunit.h"
 
 #import <WebRTC/RTCCameraVideoCapturer.h>
 #import <WebRTC/RTCDispatcher.h>
 #import <WebRTC/RTCVideoFrame.h>
-#import "AVCaptureSession+Device.h"
+#import "AVCaptureSession+DevicePosition.h"
 
 #if TARGET_OS_IPHONE
 // Helper method.
 CMSampleBufferRef createTestSampleBufferRef() {
 
   // This image is already in the testing bundle.
   UIImage *image = [UIImage imageNamed:@"Default.png"];
   CGSize size = image.size;
   CGImageRef imageRef = [image CGImage];
 
@@ skipping 406 matching lines @@
   [test testRotationFrame];
   [test tearDown];
 }
 
 MAYBE_TEST(RTCCameraVideoCapturerTests, ImageExif) {
   RTCCameraVideoCapturerTests *test = [[RTCCameraVideoCapturerTests alloc] init];
   [test setup];
   [test testImageExif];
   [test tearDown];
 }