Remove traces of Mobile-ID direct auth

app/views/registrant/sessions/login_mid.haml

@@ -1,40 +0,0 @@
-.row
-  .form-signin.col-md-4.center-block.text-center
-    %h2.form-signin-heading.text-center= t '.header'
-    %hr
-    = form_for @user, url: registrant_mid_path, html: {class: 'form-signin'} do |f|
-      = f.text_field :phone, class: 'form-control', 
-        placeholder: t(:phone_no), autocomplete: 'off', required: true
-      %button.btn.btn-lg.btn-primary.btn-block.js-login{:type => 'submit'}= t '.submit_btn'
-
-  - if ['development', 'alpha'].include?(Rails.env)
-    %div.text-center
-      00007, 60000007, 00000766
-
-:coffee
-  load_listener = ->
-    $('.js-login').attr('disabled', false)
-
-    status_interval = null
-    mid_status = () ->
-      status_interval = setInterval((->
-        $.post('/registrant/login/mid_status').fail((data) ->
-          clearInterval(status_interval)
-          flash_alert(data.responseJSON.message)
-          $('.js-login').attr('disabled', false)
-        )
-      ), 1000)
-
-    $('.js-login').on 'click', (e) ->
-      e.preventDefault();
-      $(this).attr('disabled', true)
-
-      $.post($('form').attr('action'), $('form').serialize()).done((data) ->
-        if data.message
-          flash_notice(data.message)
-          mid_status()
-      ).fail((data) ->
-        flash_alert(data.responseJSON.message)
-        $('.js-login').attr('disabled', false)
-      )
-  window.addEventListener 'load', load_listener