Remove redundand audioOutput field and setSampleBufferDelegate call

Author: RobertOdrowaz

packages/camera/camera_avfoundation/ios/camera_avfoundation/Sources/camera_avfoundation/DefaultCamera.swift

@@ -343,7 +343,6 @@ final class DefaultCamera: FLTCam, Camera {
       newAudioWriterInput.expectsMediaDataInRealTime = true
       mediaSettingsAVWrapper.addInput(newAudioWriterInput, to: videoWriter)
       self.audioWriterInput = newAudioWriterInput
-      audioOutput.setSampleBufferDelegate(self, queue: captureSessionQueue)
     }
 
     if flashMode == .torch {

packages/camera/camera_avfoundation/ios/camera_avfoundation/Sources/camera_avfoundation_objc/include/camera_avfoundation/FLTCam.h

@@ -64,7 +64,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(readonly, nonatomic) FLTCamMediaSettingsAVWrapper *mediaSettingsAVWrapper;
 @property(readonly, nonatomic) FCPPlatformMediaSettings *mediaSettings;
 @property(nonatomic, copy) InputPixelBufferAdaptorFactory inputPixelBufferAdaptorFactory;
-@property(strong, nonatomic) AVCaptureAudioDataOutput *audioOutput;
 @property(assign, nonatomic) BOOL isAudioSetup;
 /// A wrapper for AVCaptureDevice creation to allow for dependency injection in tests.
 @property(nonatomic, copy) AudioCaptureDeviceFactory audioCaptureDeviceFactory;