Revert "update Tags"

This reverts commit 7438fca363.

quartz/components/TagList.tsx

@@ -4,19 +4,14 @@ import { classNames } from "../util/lang"
 
 const TagList: QuartzComponent = ({ fileData, displayClass }: QuartzComponentProps) => {
   const tags = fileData.frontmatter?.tags
-  const enableTags = fileData.frontmatter?.enableTags ?? true
   const baseDir = pathToRoot(fileData.slug!)
-
-  if (enableTags === false || !tags || tags.length === 0) {
-    return null
-  }
-
+  if (tags && tags.length > 0) {
     return (
       <ul class={classNames(displayClass, "tags")}>
         {tags.map((tag) => {
           const linkDest = baseDir + `/tags/${slugTag(tag)}`
           return (
-          <li key={tag}>
+            <li>
               <a href={linkDest} class="internal tag-link">
                 {tag}
               </a>
@@ -25,6 +20,9 @@ const TagList: QuartzComponent = ({ fileData, displayClass }: QuartzComponentPro
         })}
       </ul>
     )
+  } else {
+    return null
+  }
 }
 
 TagList.css = `