wifi: mac80211: remove unnecessary ML element checks

Given the prior changes to ieee80211_mle_size_ok(), we
can now pass NULL to for_each_mle_subelement(), so no
longer need to check for that here explicitly.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094901.9e32c4b63875.Ia2ee0aafdc8a48bd21b485cc36a9866f950d781b@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/parse.c

@@ -720,9 +720,6 @@ static void ieee80211_mle_get_sta_prof(struct ieee802_11_elems *elems,
 	ssize_t ml_len = elems->ml_basic_len;
 	const struct element *sub;
 
-	if (!ml || !ml_len)
-		return;
-
 	for_each_mle_subelement(sub, (u8 *)ml, ml_len) {
 		struct ieee80211_mle_per_sta_profile *prof = (void *)sub->data;
 		ssize_t sta_prof_len;