remove useless class

Author: silverwind

Diff for: web_src/js/modules/fomantic/dimmer.js

@@ -7,7 +7,7 @@ export function initFomanticDimmer() {
     if (arg0 === 'add content') {
       this._dimmer = document.createElement('div');
       queryElemChildren(document.body, '.ui.dimmer', (el) => el.remove());
-      this._dimmer.classList.add('ui', 'dimmer', 'page', 'active', 'tw-hidden');
+      this._dimmer.classList.add('ui', 'dimmer', 'active', 'tw-hidden');
       this._dimmer.append($el[0]);
       document.body.append(this._dimmer);
     } else if (arg0 === 'get dimmer') {