remove unused @eslint-react/purity disable directive

Author: kylemh

src/app/join/form/page.tsx

@@ -12,7 +12,6 @@ const pageTitle = 'Update Profile';
 export default async function UpdateProfile() {
   const cookieStore = await cookies();
 
-  // eslint-disable-next-line @eslint-react/purity
   const opCodeApplicantEmail = cookieStore.get('opCodeApplicantEmail');
 
   if (!opCodeApplicantEmail) redirect('/');