remove isRegistering

src/server/views/login.html

@@ -108,7 +108,6 @@
 
       <!-- [TODO][GW-1913] An AppContainer gets csrf data -->
       <div id="login-form"
-        data-is-registering="{{ req.query.register or req.body.registerForm or isRegistering }}"
         data-username ="{{ req.body.registerForm.username }}"
         data-name ="{{ req.body.registerForm.name }}"
         data-email ="{{ req.body.registerForm.email }}"