staging: wilc1000: remove unsed typedef wilc_debug_func

Cleanup patch to remove the unused typedef and also removed the
unecessary comment about that typedef.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wlan.h

@@ -200,13 +200,6 @@
 #define IS_MANAGMEMENT_CALLBACK	0x080
 #define IS_MGMT_STATUS_SUCCES	0x040
 
-/********************************************
- *
- *      Debug Type
- *
- ********************************************/
-typedef void (*wilc_debug_func)(u32, char *, ...);
-
 /********************************************
  *
  *      Tx/Rx Queue Structure