Revert "drivers: sensor: ina219: remove redundant error check"

This reverts commit dcf546e.

drivers/sensor/ti/ina219/ina219.c

@@ -269,7 +269,11 @@ static int ina219_init(const struct device *dev)
 	}
 
 	/* Set measurement delay */
-	ina219_set_msr_delay(dev);
+	rc = ina219_set_msr_delay(dev);
+	if (rc) {
+		LOG_ERR("Could not get measurement delay.");
+		return rc;
+	}
 
 	k_sleep(K_USEC(INA219_WAIT_STARTUP));