Remove unused badges page and delete badges index controller action

app/controllers/projects/badges_controller.rb

@@ -3,11 +3,6 @@ class Projects::BadgesController < Projects::ApplicationController
   before_action :authorize_admin_project!, only: [:index]
   before_action :no_cache_headers, except: [:index]
 
-  def index
-    @ref = params[:ref] || @project.default_branch || 'master'
-    @build_badge = Gitlab::Badge::Build.new(@project, @ref)
-  end
-
   def build
     badge = Gitlab::Badge::Build.new(project, params[:ref])
 

app/views/projects/badges/index.html.haml

-- page_title 'Badges'
-- badges_path = namespace_project_badges_path(@project.namespace, @project)
-
-.prepend-top-10
-  .panel.panel-default
-    .panel-heading
-      %b Builds badge ·
-      = @build_badge.to_html
-      .pull-right
-        = render 'shared/ref_switcher', destination: 'badges', align_right: true
-    .panel-body
-      .row
-        .col-md-2.text-center
-          Markdown
-        .col-md-10.code.js-syntax-highlight
-          = highlight('.md', @build_badge.to_markdown)
-      .row
-        %hr
-      .row
-        .col-md-2.text-center
-          HTML
-        .col-md-10.code.js-syntax-highlight
-          = highlight('.html', @build_badge.to_html)