Revert "ALSA: scarlett2: Fix 2i2 Gen 4 direct monitor gain on firmware 2417"

Revert "ALSA: scarlett2: Fix 2i2 Gen 4 direct monitor gain on firmware 2417"

This reverts commit db37cf47b67e38ade40de5cd74a4d4d772ff1416.

The fix was needed only for 7.1, while 7.2 devel branch already
received a better fix series (732a6397a526..a895279d060d), hence it's
superfluous.

Link: https://lore.kernel.org/ahUytAir51SvJjd7@m.b4.vu
Link: https://patch.msgid.link/20260526054923.210493-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>