Remove the tabindexes, no longer needed with new layout.

issue #1901

resources/static/dialog/views/authenticate.ejs

@@ -12,7 +12,7 @@
 
           <li>
               <label for="email"><%= gettext('To sign in with Persona, please enter your email address.') %></label>
-              <input id="email" type="email" autocapitalize="off" autocorrect="off" value="<%= email %>" maxlength="254" tabindex="1" placeholder="<%= gettext('enter email address') %>"/>
+              <input id="email" type="email" autocapitalize="off" autocorrect="off" value="<%= email %>" maxlength="254" placeholder="<%= gettext('enter email address') %>"/>
 
               <div id="email_format" class="tooltip" for="email">
                 <%= gettext('This field must be an email address.') %>
@@ -36,7 +36,7 @@
 
               <label for="password" class="hidden"><%= gettext('Password') %></label>
 
-              <input id="password" type="password" maxlength="80" tabindex="2" placeholder="<%= gettext('password') %>" />
+              <input id="password" type="password" maxlength="80" placeholder="<%= gettext('password') %>" />
 
               <div id="password_required" class="tooltip" for="password">
                 <%= gettext('The password field is required.') %>