Revert "add vuemastery banner black friday 2024 (vuejs#3104)"

This reverts commit ab958c8.

Author: yyx990803

.vitepress/theme/components/VueMasteryBanner.vue

@@ -12,14 +12,12 @@ import SponsorsAside from './components/SponsorsAside.vue'
 import VueSchoolLink from './components/VueSchoolLink.vue'
 // import Banner from './components/Banner.vue'
 // import TextAd from './components/TextAd.vue'
-import VueMasteryBanner from './components/VueMasteryBanner.vue'
 
 export default Object.assign({}, VPTheme, {
   Layout: () => {
     // @ts-ignore
     return h(VPTheme.Layout, null, {
       // banner: () => h(Banner),
-      banner: () => h(VueMasteryBanner),
       'sidebar-top': () => h(PreferenceSwitch),
       'sidebar-bottom': () => h(SecurityUpdateBtn),
       'aside-mid': () => h(SponsorsAside)