Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/app/admin/bans/page.tsx

@@ -75,9 +75,7 @@ export default async function AdminBans() {
       </form>
 
       <section className="mt-6">
-        <h2 className="admin-section-title">
-          {t("activeBans")} ({bans.length})
-        </h2>
+        <h2 className="admin-section-title">{t("activeBans")} ({bans.length})</h2>
         {bans.length === 0 ? (
           <div className="admin-empty">{t("noBans")}</div>
         ) : (
@@ -97,16 +95,12 @@ export default async function AdminBans() {
                   <tr key={b.id}>
                     <td>{b.userId}</td>
                     <td>
-                      <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-[var(--color-primary)]/18 text-[var(--color-text)]">
-                        {b.type}
-                      </span>
+                      <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-[var(--color-primary)]/18 text-[var(--color-text)]">{b.type}</span>
                     </td>
                     <td>{b.banReason || "—"}</td>
                     <td>
                       {b.banExpire === 0 ? (
-                        <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-red-500/22 text-[var(--color-text)]">
-                          {t("permanent")}
-                        </span>
+                        <span className="inline-block text-[0.72rem] font-bold px-2 py-0.5 rounded-full bg-red-500/22 text-[var(--color-text)]">{t("permanent")}</span>
                       ) : (
                         <span className="text-sm text-gray-500 dark:text-gray-400 whitespace-nowrap">
                           {fromUnix(b.banExpire)}