o wl3501: remove comment about supporting wireless extensions

It will, but is not supporting now, just some basic skeleton is
in place.

drivers/net/wireless/Kconfig

@@ -301,7 +301,6 @@ config PCMCIA_WL3501
       depends on NET_RADIO && EXPERIMENTAL && PCMCIA
        ---help---
          A driver for WL3501 PCMCIA 802.11 wireless cards made by Planet.
-         This driver supports standard Linux wireless extensions. 
 
 # yes, this works even when no drivers are selected
 config NET_WIRELESS