Remove unused `pushFile` methods in ios classes (#13215)

packages/flutter_tools/lib/src/ios/devices.dart

@@ -43,16 +43,10 @@ class IOSDevice extends Device {
   IOSDevice(String id, { this.name, String sdkVersion }) : _sdkVersion = sdkVersion, super(id) {
     _installerPath = _checkForCommand('ideviceinstaller');
     _iproxyPath = _checkForCommand('iproxy');
-    _pusherPath = _checkForCommand(
-      'ios-deploy',
-      'To copy files to iOS devices, please install ios-deploy. To install, run:\n'
-      'brew install ios-deploy'
-    );
   }
 
   String _installerPath;
   String _iproxyPath;
-  String _pusherPath;
 
   final String _sdkVersion;
 
@@ -302,25 +296,6 @@ class IOSDevice extends Device {
     return false;
   }
 
-  Future<bool> pushFile(ApplicationPackage app, String localFile, String targetFile) async {
-    if (platform.isMacOS) {
-      runSync(<String>[
-        _pusherPath,
-        '-t',
-        '1',
-        '--bundle_id',
-        app.id,
-        '--upload',
-        localFile,
-        '--to',
-        targetFile
-      ]);
-      return true;
-    } else {
-      return false;
-    }
-  }
-
   @override
   Future<TargetPlatform> get targetPlatform async => TargetPlatform.ios;
 

packages/flutter_tools/lib/src/ios/simulators.dart

@@ -211,17 +211,6 @@ class IOSSimulator extends Device {
 
   String get xcrunPath => fs.path.join('/usr', 'bin', 'xcrun');
 
-  String _getSimulatorPath() {
-    return fs.path.join(homeDirPath, 'Library', 'Developer', 'CoreSimulator', 'Devices', id);
-  }
-
-  String _getSimulatorAppHomeDirectory(ApplicationPackage app) {
-    final String simulatorPath = _getSimulatorPath();
-    if (simulatorPath == null)
-      return null;
-    return fs.path.join(simulatorPath, 'data');
-  }
-
   @override
   Future<bool> isAppInstalled(ApplicationPackage app) {
     return SimControl.instance.isInstalled(id, app.id);
@@ -425,16 +414,6 @@ class IOSSimulator extends Device {
     return false;
   }
 
-  Future<bool> pushFile(
-      ApplicationPackage app, String localFile, String targetFile) async {
-    if (platform.isMacOS) {
-      final String simulatorHomeDirectory = _getSimulatorAppHomeDirectory(app);
-      await runCheckedAsync(<String>['cp', localFile, fs.path.join(simulatorHomeDirectory, targetFile)]);
-      return true;
-    }
-    return false;
-  }
-
   String get logFilePath {
     return fs.path.join(homeDirPath, 'Library', 'Logs', 'CoreSimulator', id, 'system.log');
   }