chore: no more warnings in app/rust/

app/rust/Cargo.toml

@@ -6,6 +6,9 @@ edition = "2024"
 [lib]
 crate-type = ["cdylib", "staticlib"]
 
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(frb_expand)'] }
+
 [dependencies]
 anyhow = "1.0"
 bytes = "1.9"

app/rust/src/api/webrtc.rs

@@ -13,9 +13,7 @@ pub use localsend::webrtc::webrtc::{
 };
 use std::collections::HashSet;
 use std::sync::Arc;
-use std::time::Duration;
 use tokio::sync::{Mutex, mpsc, oneshot};
-use tokio::time;
 use uuid::Uuid;
 
 pub struct ProposingClientInfo {