drivers: counter: esp32: remove rtc counter test

As part of counter API updates, RTC timer will be removed from
counter API driver and can be removed from the test list.

Signed-off-by: Sylvio Alves <[email protected]>

Author: sylvioalves

tests/drivers/counter/counter_basic_api/src/test_counter.c

@@ -105,9 +105,6 @@ static const struct device *const devices[] = {
 #ifdef CONFIG_COUNTER_TMR_ESP32
 	DEVS_FOR_DT_COMPAT(espressif_esp32_timer)
 #endif
-#ifdef CONFIG_COUNTER_TMR_RTC_ESP32
-	DEVS_FOR_DT_COMPAT(espressif_esp32_rtc_timer)
-#endif
 #ifdef CONFIG_COUNTER_NXP_S32_SYS_TIMER
 	DEVS_FOR_DT_COMPAT(nxp_s32_sys_timer)
 #endif