remove audio_gain from remaining gr scripts
dsp-settings.py was pulled in 8fbca870 - this removes the remaining references to audio_gain.
Signed-off-by: Corey Shields cshields@gmail.com
dsp-settings.py was pulled in 8fbca870 - this removes the remaining references to audio_gain.
Signed-off-by: Corey Shields cshields@gmail.com