sandbox: Drop the 'starting...' message

This message is annoying since it is only useful for testing. Drop it and
update the test to cope.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index c4c4128..e87365e 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -491,7 +491,6 @@
 	gd->reloc_off = (ulong)gd->arch.text_base;
 
 	/* sandbox test: log functions called before log_init in board_init_f */
-	log_info("sandbox: starting...\n");
 	log_debug("debug: %s\n", __func__);
 
 	/* Do pre- and post-relocation init */
diff --git a/test/py/tests/test_log.py b/test/py/tests/test_log.py
index f889120..140dcb9 100644
--- a/test/py/tests/test_log.py
+++ b/test/py/tests/test_log.py
@@ -45,5 +45,4 @@
     cons = u_boot_console
     cons.restart_uboot()
     output = cons.get_spawn_output().replace('\r', '')
-    assert 'sandbox: starting...' in output
     assert (not 'debug: main' in output)