wl12xx: remove deprecated CONFIG_WL12XX_HT flag

The driver now support HT properly, so we can always have HT enabled.

Remove the WL12XX_HT configuration.

Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --cc drivers/net/wireless/wl12xx/Kconfig
Simple merge

diff --cc drivers/net/wireless/wl12xx/main.c
Simple merge

diff --cc drivers/net/wireless/wl12xx/rx.c
Simple merge

diff --cc drivers/net/wireless/wl12xx/tx.c
Simple merge