Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCRtpParameters.mm

-/*
- *  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.
- */
-
-#import "RTCRtpParameters+Private.h"
-
-#import "RTCRtpCodecParameters+Private.h"
-#import "RTCRtpEncodingParameters+Private.h"
-
-@implementation RTCRtpParameters
-
-@synthesize encodings = _encodings;
-@synthesize codecs = _codecs;
-
-- (instancetype)init {
-  return [super init];
-}
-
-- (instancetype)initWithNativeParameters:
-    (const webrtc::RtpParameters &)nativeParameters {
-  if (self = [self init]) {
-    NSMutableArray *encodings = [[NSMutableArray alloc] init];
-    for (const auto &encoding : nativeParameters.encodings) {
-      [encodings addObject:[[RTCRtpEncodingParameters alloc]
-                               initWithNativeParameters:encoding]];
-    }
-    _encodings = encodings;
-
-    NSMutableArray *codecs = [[NSMutableArray alloc] init];
-    for (const auto &codec : nativeParameters.codecs) {
-      [codecs addObject:[[RTCRtpCodecParameters alloc]
-                            initWithNativeParameters:codec]];
-    }
-    _codecs = codecs;
-  }
-  return self;
-}
-
-- (webrtc::RtpParameters)nativeParameters {
-    webrtc::RtpParameters parameters;
-  for (RTCRtpEncodingParameters *encoding in _encodings) {
-    parameters.encodings.push_back(encoding.nativeParameters);
-  }
-  for (RTCRtpCodecParameters *codec in _codecs) {
-    parameters.codecs.push_back(codec.nativeParameters);
-  }
-  return parameters;
-}
-
-@end