sandbox: Drop debug message in os_spl_to_uboot()

This is not needed in normal operation. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index 2d9583c..68825d2 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -845,7 +845,6 @@
 {
 	struct sandbox_state *state = state_get_current();
 
-	printf("%s\n", __func__);
 	/* U-Boot will delete ram buffer after read: "--rm_memory"*/
 	state->ram_buf_rm = true;
 	return os_jump_to_file(fname);