remove redundant return

contracts/token/PausableToken.sol

@@ -16,10 +16,10 @@ import '../lifecycle/Pausable.sol';
 contract PausableToken is Pausable, StandardToken {
 
   function transfer(address _to, uint _value) whenNotPaused {
-    return super.transfer(_to, _value);
+    super.transfer(_to, _value);
   }
 
   function transferFrom(address _from, address _to, uint _value) whenNotPaused {
-    return super.transferFrom(_from, _to, _value);
+    super.transferFrom(_from, _to, _value);
   }
-}
+}