sparc32: Remove unused empty_bad_page{,_table} declarations.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
index 84a8a49..8a83699 100644
--- a/arch/sparc/include/asm/setup.h
+++ b/arch/sparc/include/asm/setup.h
@@ -21,8 +21,6 @@
  */
 extern unsigned char boot_cpu_id;
 
-extern unsigned long empty_bad_page;
-extern unsigned long empty_bad_page_table;
 extern unsigned long empty_zero_page;
 
 extern int serial_console;