Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/app/admin/users/_components/user-badges-readonly.tsx

@@ -1,37 +0,0 @@
-'use client'
-
-interface Badge {
-  id: number
-  badgeCode: string
-}
-
-export function UserBadgesReadonly({ badges }: { badges: Badge[] }) {
-  if (badges.length === 0) {
-    return <p className="text-sm text-muted-foreground">No badges</p>
-  }
-
-  return (
-    <div className="flex flex-wrap gap-2">
-      {badges.map((badge) => (
-        <div
-          key={badge.id}
-          className="flex items-center gap-1.5 rounded-md border bg-card px-2 py-1 text-sm"
-        >
-          <img
-            src={
-              process.env.NEXT_PUBLIC_BADGE_URL
-                ? `${process.env.NEXT_PUBLIC_BADGE_URL}/${badge.badgeCode}.gif`
-                : `/swf/c_images/album1584/${badge.badgeCode}.gif`
-            }
-            alt={badge.badgeCode}
-            className="h-5 w-5"
-            onError={(e) => {
-              ;(e.target as HTMLImageElement).style.display = 'none'
-            }}
-          />
-          <span>{badge.badgeCode}</span>
-        </div>
-      ))}
-    </div>
-  )
-}