Don't show character counter for EMail adresses.

app/templates/auth/register.html.j2

@@ -37,7 +37,7 @@
         </div>
         <div class="input-field ">
           <i class="material-icons prefix">email</i>
-          {{ form.email(class='validate', data_length='254', type='email') }}
+          {{ form.email(class='validate', type='email') }}
           {{ form.email.label }}
           {% for error in form.email.errors %}
             <span class="helper-text red-text">{{ error }}</span>