sandbox: Drop special case console code for sandbox

At present sandbox has a special case where it directly calls os_putc()
when it does not have a console yet.

Now that we have the pre-console buffer enabled we can drop this. Any
early characters will be buffered and output later.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>

common/console.c

@@ -465,13 +465,6 @@ static inline void print_pre_console_buffer(int flushpoint) {}
 
 void putc(const char c)
 {
-#ifdef CONFIG_SANDBOX
-	/* sandbox can send characters to stdout before it has a console */
-	if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
-		os_putc(c);
-		return;
-	}
-#endif
 #ifdef CONFIG_DEBUG_UART
 	/* if we don't have a console yet, use the debug UART */
 	if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
@@ -508,12 +501,6 @@ void putc(const char c)
 
 void puts(const char *s)
 {
-#ifdef CONFIG_SANDBOX
-	if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
-		os_puts(s);
-		return;
-	}
-#endif
 #ifdef CONFIG_DEBUG_UART
 	if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
 		while (*s) {