fix some warnings

src/hot_reload.rs

@@ -1,5 +1,5 @@
 use proc_macro2::TokenStream;
-use syn::{File, Macro, __private::ToTokens};
+use syn::{File, Macro};
 
 pub enum DiffResult {
     CodeChanged,

src/lib.rs

@@ -1,4 +1,4 @@
-pub const DIOXUS_CLI_VERSION: &'static str = "0.1.5";
+pub const DIOXUS_CLI_VERSION: &str = "0.1.5";
 
 pub mod builder;
 pub mod server;

src/server/mod.rs

@@ -9,9 +9,7 @@ use axum::{
 use cargo_metadata::diagnostic::Diagnostic;
 use colored::Colorize;
 use dioxus_core::Template;
-use dioxus_rsx::CallBody;
 use notify::{RecommendedWatcher, Watcher};
-use syn::spanned::Spanned;
 
 use std::{net::UdpSocket, path::PathBuf, process::Command, sync::Arc};
 use tower::ServiceBuilder;