[console] Move putchar() and getchar() declarations to stdio.h

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/debug.c

@@ -22,7 +22,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #include <stdint.h>
 #include <stdarg.h>
 #include <ipxe/io.h>
-#include <ipxe/console.h>
 
 /**
  * Pause until a key is pressed

src/core/pcmcia.c

@@ -34,7 +34,6 @@ FILE_LICENCE ( GPL2_ONLY );
 #define CODE_STATUS "alpha"
 #define	CODE_VERSION "0.1.3"
 #include <pcmcia-opts.h>
-#include <ipxe/console.h>
 #include <ipxe/init.h>
 
 int	sockets; /* AHTODO: Phase this out! */

src/core/vsprintf.c

@@ -21,7 +21,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #include <stddef.h>
 #include <stdarg.h>
 #include <stdio.h>
-#include <ipxe/console.h>
 #include <errno.h>
 #include <ipxe/vsprintf.h>