The GPIOs are used for defined LEDs and therefore are ignored/unset in
the ath9k driver since 192f0a3db8. The wireless led led trigger is
added in userspace since e20965811d, which makes the
ap9x_pci_setup_wmac_led_pin() superfluous.
Signed-off-by: Mathias Kresin <dev@kresin.me>