net/wireless: regulatory.h: drop duplicate word in comment

Drop doubled word "of" in a comment.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: netdev@vger.kernel.org
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org
Cc: Johannes Berg <johannes@sipsolutions.net>
Link: https://lore.kernel.org/r/20200715164325.9109-5-rdunlap@infradead.orgSigned-off-by: Johannes Berg <johannes.berg@intel.com>

include/net/regulatory.h

@@ -44,7 +44,7 @@ enum environment_cap {
  *	and potentially inform users of which devices specifically
  *	cased the conflicts.
  * @initiator: indicates who sent this request, could be any of
- *	of those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
+ *	those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
  * @alpha2: the ISO / IEC 3166 alpha2 country code of the requested
  *	regulatory domain. We have a few special codes:
  *	00 - World regulatory domain