Revert "Vuemastery free weekend banner nov 2023 (vuejs#2561)"

This reverts commit 49aaa80.

Author: yyx990803

.vitepress/theme/components/VueMasteryBanner.vue

@@ -9,15 +9,14 @@ import {
 } from './components/preferences'
 import SponsorsAside from './components/SponsorsAside.vue'
 import VueSchoolLink from './components/VueSchoolLink.vue'
-import VueMasteryBanner from './components/VueMasteryBanner.vue'
 // import Banner from './components/Banner.vue'
 // import TextAd from './components/TextAd.vue'
 
 export default Object.assign({}, VPTheme, {
   Layout: () => {
     // @ts-ignore
     return h(VPTheme.Layout, null, {
-      banner: () => h(VueMasteryBanner),
+      // banner: () => h(Banner),
       'sidebar-top': () => h(PreferenceSwitch),
       'aside-mid': () => h(SponsorsAside)
     })