fix: resolve admin settings route conflict and remove logout button from sidebar (TASK-7A, TASK-7B)

frontend/admin-panel/src/components/Sidebar.tsx

@@ -146,16 +146,7 @@ export default function Sidebar({ isOpen, setIsOpen }: SidebarProps) {
             </div>
           ))}
         </nav>
-
-        <div className="p-4 border-t border-gray-200">
-          <button onClick={handleLogout} className="flex items-center gap-3 px-3 py-3 w-full text-red-500 hover:bg-red-50 rounded-xl transition-all font-bold">
-            <LogOut className="w-5 h-5" />
-            <span>خروج از حساب</span>
-          </button>
-        </div>
       </aside>
     </>
   );
 }
-
-