message: Remove extern crate statements
diff: @@ -4,11 +4,6 @@ use server_config::ServerConfig;
  mod headers;
  use headers::{prepend_request_headers_prefix, strip_response_headers_prefix};
  -extern crate openssl;
  -extern crate tokio;
  -extern crate url;
  -extern crate ws;
  -
  use std::thread;
  use chrono::prelude::*;
  