Remove stored abbreviation

- Alpaca is fuck

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/threads/data/mod.rs

@@ -2,31 +2,22 @@ pub mod asset_status;
 pub mod backfill;
 pub mod websocket;
 
-use super::clock;
+use super::{clock, guard::Guard};
 use crate::{
     config::{
         Config, ALPACA_CRYPTO_WEBSOCKET_URL, ALPACA_NEWS_WEBSOCKET_URL, ALPACA_STOCK_WEBSOCKET_URL,
     },
-    types::{Asset, Class, Subset},
+    types::{Class, Subset},
     utils::authenticate,
 };
 use futures_util::StreamExt;
-use std::{
-    collections::{HashMap, HashSet},
-    sync::Arc,
-};
+use std::sync::Arc;
 use tokio::{
     join, select, spawn,
     sync::{mpsc, Mutex, RwLock},
 };
 use tokio_tungstenite::connect_async;
 
-pub struct Guard {
-    pub symbols: HashSet<String>,
-    pub pending_subscriptions: HashMap<String, Asset>,
-    pub pending_unsubscriptions: HashMap<String, Asset>,
-}
-
 #[derive(Clone, Copy, Debug)]
 pub enum ThreadType {
     Bars(Class),
@@ -76,11 +67,7 @@ async fn init_thread(
     mpsc::Sender<asset_status::Message>,
     mpsc::Sender<backfill::Message>,
 ) {
-    let guard = Arc::new(RwLock::new(Guard {
-        symbols: HashSet::new(),
-        pending_subscriptions: HashMap::new(),
-        pending_unsubscriptions: HashMap::new(),
-    }));
+    let guard = Arc::new(RwLock::new(Guard::new()));
 
     let websocket_url = match thread_type {
         ThreadType::Bars(Class::UsEquity) => format!(