keep tags filter always visible

Author: odeimaiz

services/static-webserver/client/source/class/osparc/dashboard/TutorialBrowser.js

@@ -130,15 +130,6 @@ qx.Class.define("osparc.dashboard.TutorialBrowser", {
       }
     },
 
-    // overridden
-    _groupByChanged: function(groupBy) {
-      this.base(arguments, groupBy);
-
-      if (this._resourceFilter) {
-        this._resourceFilter.getChildControl("tags-layout").setVisibility(groupBy === "tags" ? "visible" : "excluded");
-      }
-    },
-
     __itemClicked: function(card) {
       if (!card.getBlocked()) {
         const templateData = this.__getTemplateData(card.getUuid());