[REF] web: remove dead code

addons/web/static/src/js/framework/misc.js

@@ -43,17 +43,6 @@ var Throbber = Widget.extend({
     },
 });
 
-
-// special tweak for the web client
-var old_async_when = $.async_when;
-$.async_when = function() {
-    if (session.synch)
-        return $.when.apply(this, arguments);
-    else
-        return old_async_when.apply(this, arguments);
-};
-
-
 /** Setup blockui */
 if ($.blockUI) {
     $.blockUI.defaults.baseZ = 1100;

addons/web/static/src/js/framework/session.js

@@ -266,15 +266,6 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
         options.session = this;
         ajax.get_file(options);
     },
-    synchronized_mode: function(to_execute) {
-        var synch = this.synch;
-        this.synch = true;
-        try {
-            return to_execute();
-        } finally {
-            this.synch = synch;
-        }
-    },
     /**
      * (re)loads the content of a session: db name, username, user id, session
      * context and status of the support contract