time: Update examples, tests, and other code to use new Timer::after_x convenience methods

examples/stm32g4/src/bin/adc.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, SampleTime};
 use embassy_stm32::rcc::{AdcClockSource, ClockSrc, Pll, PllM, PllN, PllR, PllSrc};
 use embassy_stm32::Config;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let measured = adc.read(&mut p.PA7);
         info!("measured: {}", measured);
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }