Remove superfluous .then

lib/instance.js

@@ -775,7 +775,6 @@ module.exports = (function() {
 
     var self = this;
 
-    // This semi awkward syntax where we can't return the chain directly but have to return the last .then() call is to allow sql proxying
     return Promise.try(function() {
       // Run before hook
       if (options.hooks) {
@@ -789,8 +788,6 @@ module.exports = (function() {
       if (options.hooks) {
         return self.Model.runHooks('afterUndestroy', self, options);
       }
-    }).then(function(result) {
-      return result;
     });
   };