iwlwifi: mvm: remove useless condition in LED code

If the module parameter is set to disable the LED, we leave the
initialization routine before setting the LEDS_INIT_COMPLETE
status bit. Therefore, there's no need to check the parameter
again on exit, just the status check is sufficient.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>