[FIX] Remove unused session variable and fix bug

Author: zakmak88

web_m2x_options/static/src/js/form.js

@@ -10,7 +10,6 @@ odoo.define('web_m2x_options.web_m2x_options', function (require) {
         Dialog = require('web.Dialog'),
         Model = require('web.Model'),
         form_relational = require('web.form_relational'),
-        session = require('web.session'),
         _ = require('_'),
         _t  = core._t;
 
@@ -110,7 +109,7 @@ odoo.define('web_m2x_options.web_m2x_options', function (require) {
         },
 
         get_search_mru: function(){
-            var mru_option = 'web_m2x_options_mru';
+            var mru_option = 'web_m2x_options_mru',
                 self = this;
             var restore_mru_list = JSON.parse(localStorage.getItem(mru_option)),
                 key = self.compute_mru_key();