Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/app/api/tickets/[id]/reply/route.ts

@@ -21,9 +21,7 @@ export async function POST(req: Request, { params }: { params: Promise<{ id: str
   if (!ticketId) return apiError("Invalid ticket id", 422);
 
   const body = (await req.json().catch(() => ({}))) as { content?: unknown };
-  const content = String(body.content ?? "")
-    .trim()
-    .slice(0, 5000);
+  const content = String(body.content ?? "").trim().slice(0, 5000);
   if (!content) return apiError("Content is required");
 
   try {

src/app/api/tickets/route.ts

@@ -46,12 +46,8 @@ export async function POST(req: Request) {
     categoryId?: unknown;
   };
 
-  const title = String(body.title ?? "")
-    .trim()
-    .slice(0, 255);
-  const content = String(body.content ?? "")
-    .trim()
-    .slice(0, 5000);
+  const title = String(body.title ?? "").trim().slice(0, 255);
+  const content = String(body.content ?? "").trim().slice(0, 5000);
   if (!title) return apiError("Title is required");
   if (!content) return apiError("Content is required");