Remove some unnecessary derives.

Doesn't make much difference, but let's be tidy.

pageserver/src/storage_sync/index.rs

@@ -210,7 +210,7 @@ impl RemoteTimelineIndex {
 }
 
 /// Restored index part data about the timeline, stored in the remote index.
-#[derive(Debug, PartialEq, Eq, Clone)]
+#[derive(Debug, Clone)]
 pub struct RemoteTimeline {
     timeline_layers: HashSet<PathBuf>,
     missing_layers: HashSet<PathBuf>,

safekeeper/src/safekeeper.rs

@@ -332,7 +332,7 @@ pub struct AppendRequestHeader {
 }
 
 /// Report safekeeper state to proposer
-#[derive(Debug, PartialEq, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize)]
 pub struct AppendResponse {
     // Current term of the safekeeper; if it is higher than proposer's, the
     // compute is out of date.

safekeeper/src/send_wal.rs

@@ -36,7 +36,7 @@ const NEON_STATUS_UPDATE_TAG_BYTE: u8 = b'z';
 type FullTransactionId = u64;
 
 /// Hot standby feedback received from replica
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 pub struct HotStandbyFeedback {
     pub ts: TimestampTz,
     pub xmin: FullTransactionId,
@@ -54,7 +54,7 @@ impl HotStandbyFeedback {
 }
 
 /// Standby status update
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct StandbyReply {
     pub write_lsn: Lsn, // last lsn received by pageserver
     pub flush_lsn: Lsn, // pageserver's disk consistent lSN