remove unused import

src/request_crawl.rs

@@ -7,7 +7,7 @@ use http_body_util::BodyExt;
 use hyper::{body::Incoming, Request, Response};
 
 use crate::{
-    http::{body_empty, body_full, ServerResponse},
+    http::{body_full, ServerResponse},
     indexer::index_server,
     RelayServer,
 };