ServerTiming: fix clippy warnings

This should unblock CI on main.

src/trace/server_timing/metric.rs

@@ -80,6 +80,7 @@ mod test {
     use std::time::Duration;
 
     #[test]
+    #[allow(clippy::redundant_clone)]
     fn encode() -> crate::Result<()> {
         let name = String::from("Server");
         let dur = Duration::from_secs(1);

src/trace/server_timing/parse.rs

@@ -175,7 +175,7 @@ mod test {
     fn assert_entry(s: &str, n: &str, du: Option<u64>, de: Option<&str>) -> crate::Result<()> {
         let e = parse_entry(s)?;
         assert_eq!(e.name(), n);
-        assert_eq!(e.duration(), du.map(|du| Duration::from_millis(du)));
+        assert_eq!(e.duration(), du.map(Duration::from_millis));
         assert_eq!(e.description(), de);
         Ok(())
     }

src/utils/date.rs

@@ -16,7 +16,7 @@ const SECONDS_IN_HOUR: u64 = 3600;
 /// Format using the `Display` trait.
 /// Convert timestamp into/from `SytemTime` to use.
 /// Supports comparison and sorting.
-#[derive(Copy, Clone, Debug, Eq, Ord)]
+#[derive(Copy, Clone, Debug, Eq)]
 pub(crate) struct HttpDate {
     /// 0...59
     second: u8,