Staging: rt3070: remove dupilcated #include

Remove dupilcated #include in drivers/staging/rt3070/rt_linux.h.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rt3070/rt_linux.h

@@ -65,7 +65,6 @@
 #include <linux/vmalloc.h>
 
 
-#include <linux/wireless.h>
 #include <net/iw_handler.h>
 
 // load firmware