tests: console: use printf instead

This change aligns the test case with the hello_world sample.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>

Author: sylvioalves

tests/drivers/console/hello_world/src/main.c

@@ -4,11 +4,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <zephyr/kernel.h>
-#include <zephyr/sys/printk.h>
+#include <stdio.h>
 
 int main(void)
 {
-	printk("Hello World from Console\n");
+	printf("Hello World from Console\n");
 	return 0;
 }