feat: hide anchor for now, flatten toc, refine docs

one/docs/components/breadcrumb.md

@@ -18,7 +18,7 @@
 
 [[ demo src="/demo/breadcrumb/size.vue" ]]
 
-### 使用内联 `BreadcrumbItem`
+### 内联模式
 
 直接内联 `BreadcrumbItem` 使用。
 

one/docs/en-US/components/breadcrumb.md

@@ -18,7 +18,7 @@ Available size variants for the [`ui`](#props-ui) prop: `s` / `m`.
 
 [[ demo src="/demo/breadcrumb/size.vue" ]]
 
-### Using inline `BreadcrumbItem`s
+### Inline usage
 
 Can be used with embedded `BreadcrumbItem`s.
 

one/templates/page.etpl

@@ -1,6 +1,5 @@
 <template>
-<article ref="article" class="content ${style}"><!-- if: ${toc} -->
-<one-toc :items="toc"/><!-- /if -->
+<article ref="article" class="content ${style}">
 ${content | raw}
 <section class="meta">
   <one-edit-link path="${path}"/>