remove props

src/client/js/nologin.jsx

@@ -27,7 +27,6 @@ if (installerFormElem) {
 // render loginForm
 const loginFormElem = document.getElementById('login-form');
 if (loginFormElem) {
-  const isRegistering = loginFormElem.dataset.isRegistering === 'true';
   const username = loginFormElem.dataset.username;
   const name = loginFormElem.dataset.name;
   const email = loginFormElem.dataset.email;
@@ -37,7 +36,6 @@ if (loginFormElem) {
   ReactDOM.render(
     <I18nextProvider i18n={i18n}>
       <LoginForm
-        isRegistering={isRegistering}
         username={username}
         name={name}
         email={email}