cfg80211: pmsr: remove useless ifdef guards

This isn't a header file, I guess I must've copied from
the header file and forgotten to remove the guards.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220202104617.330d03623b08.Idda91cd6f1c7bd865a50c47d408e5cdab0fd951f@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>