stm32/dac: remove DMA generic params.

examples/stm32f4/src/bin/dac.rs

@@ -4,7 +4,6 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::dac::{DacCh1, Value};
-use embassy_stm32::dma::NoDma;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -12,7 +11,7 @@ async fn main(_spawner: Spawner) -> ! {
     let p = embassy_stm32::init(Default::default());
     info!("Hello World, dude!");
 
-    let mut dac = DacCh1::new(p.DAC1, NoDma, p.PA4);
+    let mut dac = DacCh1::new_blocking(p.DAC1, p.PA4);
 
     loop {
         for v in 0..=255 {