wifi: mac80211: remove only link keys during stopping link AP

wifi: mac80211: remove only link keys during stopping link AP

Currently while stopping a link AP, all keys from the interface were
removed. However with MLO there is a requirement to free only the link
keys.

Add changes to remove keys which are associated with the link AP which is
going to be stopped.

Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240227042251.1511122-2-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>