sandbox: remove os_putc() and os_puts()

They are unused since commit d8c6fb8ced ("sandbox: Drop special
case console code for sandbox").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/sandbox/cpu/os.c

@@ -413,17 +413,6 @@ int os_get_filesize(const char *fname, loff_t *size)
 	return 0;
 }
 
-void os_putc(int ch)
-{
-	putchar(ch);
-}
-
-void os_puts(const char *str)
-{
-	while (*str)
-		os_putc(*str++);
-}
-
 int os_write_ram_buf(const char *fname)
 {
 	struct sandbox_state *state = state_get_current();

include/os.h

@@ -241,26 +241,6 @@ const char *os_dirent_get_typename(enum os_dirent_t type);
 int os_get_filesize(const char *fname, loff_t *size);
 
 /**
- * Write a character to the controlling OS terminal
- *
- * This bypasses the U-Boot console support and writes directly to the OS
- * stdout file descriptor.
- *
- * @param ch	Character to write
- */
-void os_putc(int ch);
-
-/**
- * Write a string to the controlling OS terminal
- *
- * This bypasses the U-Boot console support and writes directly to the OS
- * stdout file descriptor.
- *
- * @param str	String to write (note that \n is not appended)
- */
-void os_puts(const char *str);
-
-/**
  * Write the sandbox RAM buffer to a existing file
  *
  * @param fname		Filename to write memory to (simple binary format)