eliminate unused fields

improves performance

src/response.rs

@@ -1,5 +1,3 @@
-#![allow(dead_code)]
-
 use std::fmt::{Debug, Display};
 
 use anyhow::Result;
@@ -9,65 +7,20 @@ use serde::{de, Deserialize, Deserializer};
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "PascalCase")]
 pub struct Departure {
-    id: String,
-    dl_id: String,
     line_name: String,
     direction: String,
-    platform: Platform,
-    mot: String,
     #[serde(default, deserialize_with = "deserialize_realtime")]
     real_time: Option<DateTime<Local>>,
     #[serde(deserialize_with = "deserialize_timestamp")]
     scheduled_time: DateTime<Local>,
-    state: Option<String>,
-    route_changes: Vec<RouteChange>,
-    diva: Diva,
-    cancel_reasons: Vec<CancelReason>,
-}
-
-#[derive(Deserialize, Debug)]
-#[serde(rename_all = "PascalCase")]
-struct Platform {
-    name: String,
-    #[serde(rename = "Type")]
-    type_: String,
-}
-
-#[derive(Deserialize, Debug)]
-#[serde(rename_all = "PascalCase")]
-struct RouteChange {
-    // fields omitted
-}
-
-#[derive(Deserialize, Debug)]
-#[serde(rename_all = "PascalCase")]
-struct Diva {
-    number: String,
-    network: String,
-}
-
-#[derive(Deserialize, Debug)]
-#[serde(rename_all = "PascalCase")]
-struct CancelReason {
-    // fields omitted
 }
 
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "PascalCase")]
 pub struct Response {
-    name: String,
-    status: Status,
-    place: String,
-    expiration_time: String,
     pub departures: Vec<Departure>,
 }
 
-#[derive(Deserialize, Debug)]
-#[serde(rename_all = "PascalCase")]
-struct Status {
-    code: String,
-}
-
 /// Deserialize a timestamp in the form of '/Date(1671713820000-0000)/'
 fn deserialize_timestamp<'de, D>(deserializer: D) -> Result<DateTime<Local>, D::Error>
 where