Drop unused dependency and use declaration

lang-trials/rust-benchmark/Cargo.toml

@@ -10,7 +10,6 @@ default = ["console_error_panic_hook"]
 [dependencies]
 nalgebra = "0.33.0"
 sycamore = "0.9.0-beta.2"
-typenum = "1.17.0"
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires

lang-trials/rust-benchmark/src/main.rs

@@ -1,4 +1,3 @@
-use nalgebra::*;
 use std::f64::consts::PI as PI;
 use sycamore::{prelude::*, rt::{JsCast, JsValue}};
 use web_sys::window;