"ret" has already been checked at this point, and we don't need to check
it again. This was left around from a previous patch af3aa319b0
"wl12xx: 1281/1283 support - New radio structs and functions".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Luciano Coelho <coelho@ti.com>