docs(breadcrumb): update

docs/app/components/content/examples/breadcrumb/BreadcrumbCustomSlotExample.vue

@@ -1,32 +0,0 @@
-<script setup lang="ts">
-const items = [{
-  label: 'Home',
-  to: '/'
-}, {
-  slot: 'dropdown' as const,
-  icon: 'i-heroicons-ellipsis-horizontal',
-  children: [{
-    label: 'Documentation'
-  }, {
-    label: 'Themes'
-  }, {
-    label: 'GitHub'
-  }]
-}, {
-  label: 'Components',
-  to: '/components'
-}, {
-  label: 'Breadcrumb',
-  to: '/components/breadcrumb'
-}]
-</script>
-
-<template>
-  <UBreadcrumb :items="items">
-    <template #dropdown="{ item }">
-      <UDropdownMenu :items="item.children">
-        <UButton :icon="item.icon" color="gray" variant="link" class="p-0.5" />
-      </UDropdownMenu>
-    </template>
-  </UBreadcrumb>
-</template>