[FIX] delete unused line on lib.js

web_color/static/src/js/lib.js

@@ -21,8 +21,6 @@
 ##############################################################################*/
 
 openerp.web_color = function(instance) {
-    var _t = openerp.web._t;
-    var QWeb = openerp.web.qweb;
     
     widget_name = 'color';
     //Add in the widgets list
@@ -46,4 +44,4 @@ openerp.web_color = function(instance) {
 
         }
     });
-}
+}