fix: Plugin has already been applied to target app

There are two function call expressions `use(head)`,  the second one is repetitive.

src/newtab/index.js

@@ -19,7 +19,6 @@ createApp(App)
   .use(router)
   .use(compsUi)
   .use(pinia)
-  .use(head)
   .use(vueI18n)
   .use(vueToastification)
   .use(vRemixicon, icons)