Drop collapsing code for packages and repositories

As the new design provides plenty of space to display many results in a
row, we don't plan to display collapse arrows for packages or
repositories for now.

src/api/app/assets/javascripts/webui/request_show_redesign/build_results.js

@@ -1,24 +1,9 @@
 // TODO: rename without "Beta" after the rollout of 'request_show_redesign'.
 function updateBuildResultBeta() { // jshint ignore:line
-  var collapsedPackages = [];
-  var collapsedRepositories = {};
-  $('.result div.collapse:not(.show)').map(function(_index, domElement) {
-    var main = $(domElement).data('main') ? $(domElement).data('main') : 'project';
-    if (collapsedRepositories[main] === undefined) { collapsedRepositories[main] = []; }
-    if ($(domElement).data('repository') === undefined) {
-      collapsedPackages.push(main);
-    }
-    else {
-      collapsedRepositories[main].push($(domElement).data('repository'));
-    }
-  });
-
   var ajaxDataShow = $('.build-results-content').data();
   // show_all comes from the buildstatus partial
   ajaxDataShow.show_all = $('#show_all').is(':checked'); // jshint ignore:line
   ajaxDataShow.inRequestShowRedesign = true;
-  ajaxDataShow.collapsedPackages = collapsedPackages;
-  ajaxDataShow.collapsedRepositories = collapsedRepositories;
 
   var buildResultsUrl = $('.build-results-content .build-refresh').data('build-results-url');