staging/line6: Remove obsolete code

This patch removes experimental code which is no longer used.

Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/line6/capture.c
Simple merge

diff --cc drivers/staging/line6/pcm.c
Simple merge

diff --cc drivers/staging/line6/pcm.h
Simple merge

diff --cc drivers/staging/line6/playback.c
Simple merge