removed helper methods

app/helpers/application_helper.rb

@@ -320,10 +320,6 @@ module ApplicationHelper
     cookies["sidebar_collapsed"] == "true"
   end
-  def show_new_ide?
-    cookies["new_repo"] == "true" && body_data_page != 'projects:show'
-  end
-
   def locale_path
     asset_path("locale/#{Gitlab::I18n.locale}/app.js")
   end

app/helpers/blob_helper.rb

@@ -33,20 +33,6 @@ module BlobHelper
                     ref)
   end
-  def ide_edit_button(project = @project, ref = @ref, path = @path, options = {})
-    return unless show_new_ide?
-    return unless blob = readable_blob(options, path, project, ref)
-
-    common_classes = "btn js-edit-ide #{options[:extra_class]}"
-
-    edit_button_tag(blob,
-                    common_classes,
-                    _('Web IDE'),
-                    ide_edit_path(project, ref, path, options),
-                    project,
-                    ref)
-  end
-
   def modify_file_button(project = @project, ref = @ref, path = @path, label:, action:, btn_class:, modal_type:)
     return unless current_user

app/views/projects/tree/_tree_header.html.haml

@@ -72,11 +72,6 @@
                   #{ _('New tag') }
 .tree-controls
-  - if show_new_ide?
-    = succeed " " do
-      = link_to ide_edit_path(@project, @id), class: 'btn btn-default' do
-        = _('Web IDE')
-
   = link_to s_('Commits|History'), project_commits_path(@project, @id), class: 'btn'
   = render 'projects/find_file_link'

app/views/shared/_ref_switcher.html.haml

 - show_create = local_assigns.fetch(:show_create, false)
-- show_new_branch_form = show_new_ide? && show_create && can?(current_user, :push_code, @project)
 - dropdown_toggle_text = @ref || @project.default_branch
 = form_tag switch_project_refs_path(@project), method: :get, class: "project-refs-form" do
   = hidden_field_tag :destination, destination
@@ -22,8 +21,3 @@
               %li
                 %a.dropdown-toggle-page{ href: "#" }
                   Create new branch
-      - if show_new_branch_form
-        .dropdown-page-two
-          = dropdown_title("Create new branch", options: { back: true })
-          = dropdown_content do
-            .js-new-branch-dropdown