Remove duplicated entry in mt76x2u_device_table since Alfa AWUS036ACM
and Aukey USB-AC1200 have the same ids

Fixes: 62a25dc5 ("mt76x2u: Add support for Alfa AWUS036ACM")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>