Resolve clippy warnings

src/lobby.rs

@@ -652,7 +652,7 @@ async fn drain_stream(reader: &mut ReadHalf<'_>) -> Result<(), ()> {
     let mut drain_buf = [0; 8 * 1024];
     loop {
         match reader.try_read(&mut drain_buf) {
-            Ok(read) if read == 0 => return Ok(()),
+            Ok(0) => return Ok(()),
             Err(err) if err.kind() == ErrorKind::WouldBlock => return Ok(()),
             Ok(_) => continue,
             Err(err) => {

src/os/mod.rs

@@ -67,11 +67,11 @@ pub fn unfreeze(pid: u32) -> bool {
 
 #[cfg(unix)]
 pub fn unix_signal(pid: u32, signal: signal::Signal) -> bool {
-    return match signal::kill(Pid::from_raw(pid as i32), signal) {
+    match signal::kill(Pid::from_raw(pid as i32), signal) {
         Ok(()) => true,
         Err(err) => {
             warn!(target: "lazymc", "Sending {signal} signal to server failed: {err}");
             false
         }
-    };
+    }
 }

src/service/file_watcher.rs

@@ -25,7 +25,7 @@ pub fn service(config: Arc<Config>, server: Arc<Server>) {
     };
 
     // Keep watching
-    #[allow(clippy::blocks_in_if_conditions)]
+    #[allow(clippy::blocks_in_conditions)]
     while {
         // Update all files once
         reload_bans(&config, &server, &dir.join(ban::FILE));