line6_set_raw has been removed since
commit 9f673d7a60 ("staging: line6: drop CONFIG_LINE6_USB_RAW"),
so remove it.
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://lore.kernel.org/r/20220909035443.1065737-2-cuigaosheng1@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>