vz: remove audio input

Follow-up to PR 1532

Can be added again, with an additional knob in the YAML

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

pkg/vz/vm_darwin.go

@@ -573,15 +573,11 @@ func attachAudio(driver *driver.BaseDriver, config *vz.VirtualMachineConfigurati
 		if err != nil {
 			return err
 		}
-		inputStream, err := vz.NewVirtioSoundDeviceHostInputStreamConfiguration()
-		if err != nil {
-			return err
-		}
 		soundDeviceConfiguration, err := vz.NewVirtioSoundDeviceConfiguration()
 		if err != nil {
 			return err
 		}
-		soundDeviceConfiguration.SetStreams(outputStream, inputStream)
+		soundDeviceConfiguration.SetStreams(outputStream)
 		config.SetAudioDevicesVirtualMachineConfiguration([]vz.AudioDeviceConfiguration{
 			soundDeviceConfiguration,
 		})