deleted todos for rtc

src/init/hardware.rs

@@ -141,12 +141,4 @@ pub async fn read_rtc_time<'a>(rtc: &'a mut DS3231<I2c<'static, Async>>) -> Resu
 
 fn setup_spi_led() {
 
-}
-
-fn setup_rtc() {
-    //TODO
-    //setup rtc with i2c
-    //setup interrupt for SQW
-    //setup 24-h alarm
-}
-
+}