The wi(4) and an(4) drivers have been removed. Delete dead xrefs.

usr.sbin/wpa/hostapd/hostapd.8

@@ -116,7 +116,6 @@ Store PID in
 .Xr rum 4 ,
 .Xr run 4 ,
 .Xr ural 4 ,
-.Xr wi 4 ,
 .Xr hostapd.conf 5 ,
 .Xr hostapd_cli 8 ,
 .Xr ifconfig 8

usr.sbin/wpa/wpa_supplicant/wpa_supplicant.8

@@ -60,13 +60,6 @@ is an implementation of the WPA Supplicant component,
 i.e., the part that runs in the client stations.
 It implements WPA key negotiation with a WPA Authenticator
 and EAP authentication with an Authentication Server.
-In addition,
-.Nm
-controls the roaming and IEEE 802.11
-authentication/association support of the
-.Xr wlan 4
-module and can be used to configure static WEP keys
-based on identified networks.
 .Pp
 The
 .Nm
@@ -150,14 +143,12 @@ Display version information on the terminal and exit.
 Wait for a control interface monitor before starting.
 .El
 .Sh SEE ALSO
-.Xr an 4 ,
 .Xr ath 4 ,
 .Xr ipw 4 ,
 .Xr iwi 4 ,
 .Xr ral 4 ,
 .Xr rum 4 ,
 .Xr ural 4 ,
-.Xr wi 4 ,
 .Xr wlan 4 ,
 .Xr wpi 4 ,
 .Xr zyd 4 ,