chore: 移除部分无用代码

app/components/shared/MarkdownRenderer.vue

@@ -13,11 +13,8 @@
 
   const props = defineProps<Props>();
 
-  const contentWithAbsoluteUrls = convertMedia(props.content);
-
   // 将 Markdown 转换成 HTML
-  const safeHtml = computed(() => renderMarkdown(contentWithAbsoluteUrls));
-  // const safeHtml = computed(() => renderMarkdown(props.content))
+  const safeHtml = computed(() => renderMarkdown(props.content));
 
   const container = ref<HTMLElement | null>(null);