staging: ks7010: remove not used definition WPA_CAPABILITY_PREAUTH

The WPA_CAPABILITY_PREAUTH definition is not being used at all so
just remove it.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/eap_packet.h

@@ -67,6 +67,4 @@ struct wpa_eapol_key {
 #define WPA_KEY_INFO_REQUEST BIT(11)
 #define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12)	/* IEEE 802.11i/RSN only */
 
-#define WPA_CAPABILITY_PREAUTH BIT(0)
-
 #endif /* EAP_PACKET_H */