freertos/tests: fixed wrong header file on isr latency test

components/freertos/test/test_isr_latency.c

@@ -1,6 +1,5 @@
 #include <esp_types.h>
 #include <stdio.h>
-#include "esp32/rom/ets_sys.h"
 
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"