[IMP] website: remove unused reference

addons/website/static/src/scss/website.wysiwyg.scss

@@ -82,10 +82,6 @@ html[lang] > body.editor_enable [data-oe-translation-state] {
     &[data-oe-translation-state="translated"] {
         background: rgba($o-we-translated-content-color, 0.5) !important;
     }
-
-    &.o_dirty {
-        background: rgba($o-we-translated-content-color, 0.25) !important;
-    }
 }
 
 // SNIPPET PANEL

addons/website_blog/static/src/js/website_blog.editor.js

@@ -164,7 +164,6 @@ snippetOptions.registry.many2one.include({
                 $img.css({ width: css.width, height: css.height });
                 $img.attr('src', '/web/image/res.partner/'+self.ID+'/image_1024');
             });
-            setTimeout(function () { $nodes.removeClass('o_dirty'); },0);
         }
     }
 });