cargo: clean up dependencies and improve build times

src/ego/engine.rs

@@ -1,9 +1,7 @@
 use embassy_sync::{channel::DynamicSender, pubsub::DynPublisher};
 use embassy_time::{Duration, Instant};
-use nalgebra::{Rotation3, Vector2, Vector3};
+use nalgebra::{Rotation3, Vector2, Vector3, ComplexField, RealField};
 use log::*;
-//use micromath::F32Ext;
-use nalgebra::{ComplexField, RealField};
 
 use core::fmt::Debug;