dz.h: remove useless unused module junk

Remove unused module function prototypes that would not even build if enabled.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/serial/dz.h

@@ -124,9 +124,4 @@
 #define DZ_XMIT_SIZE   4096                 /* buffer size */
 #define DZ_WAKEUP_CHARS   DZ_XMIT_SIZE/4
 
-#ifdef MODULE
-int init_module (void)
-void cleanup_module (void)
-#endif
-
 #endif /* DZ_SERIAL_H */