Removes unused APIs from the ADM (part II)

webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h

Index: webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
diff --git a/webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h b/webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
index 532b66a99fc355a138b68b27cf9c1ad5e4598b08..58fb4003e265292b61f46a34d0ee59345f99913b 100644
--- a/webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
+++ b/webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
@@ -30,7 +30,6 @@ public:
     int32_t SpeakerVolume(uint32_t& volume) const;
     int32_t MaxSpeakerVolume(uint32_t& maxVolume) const;
     int32_t MinSpeakerVolume(uint32_t& minVolume) const;
-    int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const;
     int32_t SpeakerVolumeIsAvailable(bool& available);
     int32_t SpeakerMuteIsAvailable(bool& available);
     int32_t SetSpeakerMute(bool enable);
@@ -38,15 +37,11 @@ public:
     int32_t MicrophoneMuteIsAvailable(bool& available);
     int32_t SetMicrophoneMute(bool enable);
     int32_t MicrophoneMute(bool& enabled) const;
-    int32_t MicrophoneBoostIsAvailable(bool& available);
-    int32_t SetMicrophoneBoost(bool enable);
-    int32_t MicrophoneBoost(bool& enabled) const;
     int32_t MicrophoneVolumeIsAvailable(bool& available);
     int32_t SetMicrophoneVolume(uint32_t volume);
     int32_t MicrophoneVolume(uint32_t& volume) const;
     int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const;
     int32_t MinMicrophoneVolume(uint32_t& minVolume) const;
-    int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const;
     int32_t Close();
     int32_t CloseSpeaker();
     int32_t CloseMicrophone();