staging: keucr: remove unused typedef VOID

Signed-off-by: NJonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/keucr/common.h

 #ifndef COMMON_INCD
 #define COMMON_INCD
 
-typedef void VOID;
 typedef u8 BOOLEAN;
 typedef u8 BYTE;
 typedef u8 *PBYTE;