Replace `.map()` with `.each()`

lib/hooks.js

@@ -98,7 +98,7 @@ Hooks.runHooks = function(hooks) {
     hooks = hooks === undefined ? [] : [hooks];
   }
 
-  var promise = Promise.map(hooks, function(hook) {
+  var promise = Promise.each(hooks, function(hook) {
     if (typeof hook === 'object') {
       hook = hook.fn;
     }
@@ -108,7 +108,7 @@ Hooks.runHooks = function(hooks) {
     }
 
     return hook.apply(self, fnArgs);
-  }, {concurrency: 1}).return();
+  }).return();
 
   if (fn) {
     return promise.nodeify(fn);