chore(clippy): fix all clippy warnings

src/routes/auth/shared.rs

@@ -2,16 +2,6 @@ use jsonwebtoken::errors::ErrorKind;
 use jsonwebtoken::{Algorithm, DecodingKey, Validation, decode};
 use serde::{Deserialize, Serialize};
 
-#[derive(Deserialize, Serialize)]
-struct TokenData {
-    iis: String,
-    sub: i32,
-    app: i32,
-    exp: i32,
-    iat: i32,
-    jti: i32,
-}
-
 #[derive(Debug, Serialize, Deserialize)]
 struct Claims {
     sub: i32,

src/routes/auth/sign_in.rs

@@ -185,7 +185,7 @@ mod tests {
             id: Set(id.clone()),
             username: Set(username),
             password: Set(Some(
-                bcrypt::hash("example".to_string(), bcrypt::DEFAULT_COST).unwrap(),
+                bcrypt::hash("example", bcrypt::DEFAULT_COST).unwrap(),
             )),
             vk_id: Set(None),
             telegram_id: Set(None),