Remove add students tab from CourseDetailsView

app/templates/courses/course-details.jade

@@ -58,8 +58,6 @@ block content
         if adminMode
           li.active(role='presentation')
             a(href='#progress', aria-controls='progress', role='tab', data-toggle='tab', data-i18n="courses.progress")
-          li(role='presentation')
-            a(href='#invite', aria-controls='invite', role='tab', data-toggle='tab', data-i18n="courses.add_students")
           li(role='presentation')
             a(href='#levels', aria-controls='levels', role='tab', data-toggle='tab', data-i18n="nav.play")
         else
@@ -71,8 +69,6 @@ block content
       if adminMode
         .tab-pane.active#progress(role='tabpanel')
           +progress-tab
-        .tab-pane#invite(role='tabpanel')
-          +invite-tab
         .tab-pane#levels(role='tabpanel')
           +levels-tab
       else
@@ -261,28 +257,6 @@ mixin progress-members-popup-started(i, level)
     if adminMode
       strong(data-i18n="clans.view_solution")
 
-mixin invite-tab
-  p(data-i18n="courses.invite_students")
-  h3(data-i18n="courses.invite_link_header")
-  p(data-i18n="courses.invite_link_p_1")
-  .alert.alert-info
-    strong= document.location.origin + "/courses/students?_ppc=" + view.prepaid.get('code')
-  p(data-i18n="courses.invite_link_p_2")
-  .form
-    .form-group
-      textarea#invite-emails-textarea.form-control
-      .help-block(data-i18n="courses.enter_emails")
-    .form-group
-      button#invite-btn.btn.btn-success(data-i18n="courses.send_invites")
-      #invite-emails-sending-alert.alert.alert-info.hide(data-i18n="common.sending")
-      #invite-emails-success-alert.alert.alert-success.hide(data-i18n="play_level.done")
-
-  if view.prepaid.loaded && pricePerSeat > 0
-    h3 Class Capacity
-    p
-      span.spr(data-i18n="courses.capacity_used")
-      span #{view.prepaid.get('redeemers').length} / #{view.prepaid.get('maxRedeemers')}.
-
 mixin levels-tab
   table.table.table-striped.table-condensed
     thead

app/views/courses/CourseDetailsView.coffee

@@ -25,7 +25,6 @@ module.exports = class CourseDetailsView extends RootView
     'click .progress-level-cell': 'onClickProgressLevelCell'
     'mouseenter .progress-level-cell': 'onMouseEnterPoint'
     'mouseleave .progress-level-cell': 'onMouseLeavePoint'
-    'click #invite-btn': 'onClickInviteButton'
 
   constructor: (options, @courseID, @courseInstanceID) ->
     super options
@@ -261,26 +260,6 @@ module.exports = class CourseDetailsView extends RootView
       viewArgs: [{}, levelSlug]
     }
 
-  onClickInviteButton: (e) ->
-    emails = @$('#invite-emails-textarea').val()
-    emails = emails.split('\n')
-    emails = _.filter((_.string.trim(email) for email in emails))
-    if not emails.length
-      return
-    url = @courseInstance.url() + '/invite_students'
-    @$('#invite-btn, #invite-emails-textarea').addClass('hide')
-    @$('#invite-emails-sending-alert').removeClass('hide')
-
-    $.ajax({
-      url: url
-      data: {emails: emails}
-      method: 'POST'
-      context: @
-      success: ->
-        @$('#invite-emails-sending-alert').addClass('hide')
-        @$('#invite-emails-success-alert').removeClass('hide')
-    })
-
   onMouseEnterPoint: (e) ->
     $('.progress-popup-container').hide()
     container = $(e.target).find('.progress-popup-container').show()