Use http re-export in docs (#1554)

axum-core/src/extract/mod.rs

@@ -82,7 +82,7 @@ pub trait FromRequestParts<S>: Sized {
 /// use axum::{
 ///     async_trait,
 ///     extract::FromRequest,
-///     http::Request,
+///     http::{self, Request},
 /// };
 ///
 /// struct MyExtractor;

axum/src/handler/mod.rs

@@ -5,8 +5,7 @@
 //! Some examples of handlers:
 //!
 //! ```rust
-//! use axum::body::Bytes;
+//! use axum::{body::Bytes, http::StatusCode};
-//! use http::StatusCode;
 //!
 //! // Handler that immediately returns an empty `200 OK` response.
 //! async fn unit_handler() {}