buffer_proto5: silence some warnings

crates/applications/buffer_proto5/src/main.rs

@@ -19,6 +19,7 @@ type Mat = IsoConductorOr<f32, Ferroxcube3R1MH>;
 #[allow(unused)]
 use coremem::geom::{Coord as _, Region as _};
 
+#[allow(unused)]
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 enum PulseType {
     Square,
@@ -27,6 +28,7 @@ enum PulseType {
     ExpDecay2x,
 }
 
+#[allow(unused)]
 /// Return just the extrema of some collection
 fn extrema(mut meas: Vec<f32>) -> Vec<f32> {
     let mut i = 0;