remove re-export of parking_lot in util (#6435)

dapps/src/apps/fetcher/mod.rs

@@ -32,7 +32,7 @@ use hyper;
 use hyper::status::StatusCode;
 
 use {Embeddable, SyncStatus, random_filename};
-use util::Mutex;
+use parking_lot::Mutex;
 use page::LocalPageEndpoint;
 use handlers::{ContentHandler, ContentFetcherHandler};
 use endpoint::{Endpoint, EndpointPath, Handler};

dapps/src/handlers/fetch.rs

@@ -23,7 +23,7 @@ use std::time::{Instant, Duration};
 use fetch::{self, Fetch};
 use futures::Future;
 use parity_reactor::Remote;
-use util::Mutex;
+use parking_lot::Mutex;
 
 use hyper::{server, Decoder, Encoder, Next, Method, Control};
 use hyper::net::HttpStream;

dapps/src/lib.rs

@@ -24,6 +24,7 @@ extern crate futures;
 extern crate itertools;
 extern crate linked_hash_map;
 extern crate mime_guess;
+extern crate parking_lot;
 extern crate rand;
 extern crate rustc_hex;
 extern crate serde;
@@ -73,7 +74,7 @@ use std::collections::HashMap;
 use std::mem;
 use std::path::PathBuf;
 use std::sync::Arc;
-use util::RwLock;
+use parking_lot::RwLock;
 
 use jsonrpc_http_server::{self as http, hyper, Origin};
 

dapps/src/tests/helpers/fetch.rs

@@ -16,7 +16,7 @@
 
 use std::{io, thread, time};
 use std::sync::{atomic, mpsc, Arc};
-use util::Mutex;
+use parking_lot::Mutex;
 
 use futures::{self, Future};
 use fetch::{self, Fetch};

dapps/src/tests/helpers/registrar.rs

@@ -20,7 +20,8 @@ use std::collections::HashMap;
 use rustc_hex::FromHex;
 
 use hash_fetch::urlhint::ContractClient;
-use util::{Bytes, Address, Mutex, H256, ToPretty};
+use parking_lot::Mutex;
+use util::{Bytes, Address, H256, ToPretty};
 
 const REGISTRAR: &'static str = "8e4e9b13d4b45cb0befc93c3061b1408f67316b2";
 const URLHINT: &'static str = "deadbeefcafe0000000000000000000000000000";