chore(clippy): fix all clippy warnings

src/extractors/authorized_user.rs

@@ -11,7 +11,6 @@ use database::query::Query;
 use derive_more::Display;
 use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
-use std::ops::Deref;
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Display, MiddlewareError)]
 #[status_code = "actix_web::http::StatusCode::UNAUTHORIZED"]

src/extractors/base.rs

@@ -5,7 +5,6 @@ use std::future::{Ready, ready};
 use std::ops;
 
 /// # Async extractor.
-
 /// Asynchronous object extractor from a query.
 pub struct AsyncExtractor<T>(T);
 
@@ -80,7 +79,6 @@ impl<T: FromRequestAsync> FromRequest for AsyncExtractor<T> {
 }
 
 /// # Sync extractor.
-
 /// Synchronous object extractor from a query.
 pub struct SyncExtractor<T>(T);