remove issues bundle from projects:issues:index route

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

@@ -6,7 +6,6 @@
 
 - content_for :page_specific_javascripts do
   = webpack_bundle_tag 'common_vue'
-  = webpack_bundle_tag 'issues'
 
 = content_for :meta_tags do
   = auto_discovery_link_tag(:atom, params.merge(rss_url_options), title: "#{@project.name} issues")

ee/app/assets/javascripts/pages/projects/issues/index/index.js

+import '~/pages/projects/issues/index/index';
+import initExportCSVModal from 'ee/export_csv_modal';
+
+document.addEventListener('DOMContentLoaded', initExportCSVModal);