removed util::common

ethcore/src/state/account.rs

@@ -17,6 +17,7 @@
 //! Single account in the system.
 
 use std::fmt;
+use std::sync::Arc;
 use std::collections::HashMap;
 use util::*;
 use pod_account::*;

ethcore/src/state/mod.rs

@@ -23,6 +23,7 @@ use std::cell::{RefCell, RefMut};
 use std::collections::hash_map::Entry;
 use std::collections::{HashMap, BTreeMap, HashSet};
 use std::fmt;
+use std::sync::Arc;
 
 use receipt::Receipt;
 use engines::Engine;