Replace futures::future::poll_fn -> core::future::poll_fn.

embassy-stm32/src/dcmi.rs

@@ -1,8 +1,8 @@
+use core::future::poll_fn;
 use core::task::Poll;
 
 use embassy_hal_common::{into_ref, PeripheralRef};
 use embassy_sync::waitqueue::AtomicWaker;
-use futures::future::poll_fn;
 
 use crate::gpio::sealed::AFType;
 use crate::gpio::Speed;