wifi: nl80211: Remove unused declaration nl80211_pmsr_dump_results()

nl80211_pmsr_dump_results() is never implemented since it was added in
commit 9bb7e0f2 ("cfg80211: add peer measurement with FTM initiator
API").
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230729121651.36836-1-yuehaibing@huawei.comSigned-off-by: Johannes Berg <johannes.berg@intel.com>

net/wireless/nl80211.h

@@ -120,6 +120,5 @@ void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev);
 
 /* peer measurement */
 int nl80211_pmsr_start(struct sk_buff *skb, struct genl_info *info);
-int nl80211_pmsr_dump_results(struct sk_buff *skb, struct netlink_callback *cb);
 
 #endif /* __NET_WIRELESS_NL80211_H */