console.h: remove unused prototype 'console_realloc'

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

include/console.h

@@ -33,6 +33,4 @@
 extern device_t	*stdio_devices[] ;
 extern char *stdio_names[MAX_FILES] ;
 
-int console_realloc(int top);
-
 #endif