remove niceScroll from job trigger variables list

app/assets/javascripts/build_variables.js

@@ -2,7 +2,7 @@
 $(function() {
   $('.reveal-variables').off('click').on('click', function() {
-    $('.js-build').toggle().niceScroll();
+    $('.js-build-variables').toggle();
     $(this).hide();
   });
 });

app/assets/stylesheets/pages/builds.scss

@@ -259,7 +259,15 @@
     padding: 16px 0;
   }
+  .trigger-build-variables {
+    margin: 0;
+    overflow-x: auto;
+    -ms-overflow-style: scrollbar;
+    -webkit-overflow-scrolling: touch;
+  }
+
   .trigger-build-variable {
+    font-weight: normal;
     color: $code-color;
   }

app/views/projects/jobs/_sidebar.html.haml

@@ -49,11 +49,10 @@
           %p
             %button.btn.group.btn-group-justified.reveal-variables Reveal Variables
-
-          - @build.trigger_request.variables.each do |key, value|
-            .hide.js-build
-              .js-build-variable.trigger-build-variable= key
-              .js-build-value.trigger-build-value= value
+          %dl.js-build-variables.trigger-build-variables.hide
+            - @build.trigger_request.variables.each do |key, value|
+              %dt.js-build-variable.trigger-build-variable= key
+              %dd.js-build-value.trigger-build-value= value
     %div{ class: (@build.pipeline.stages_count > 1 ? "block" : "block-last") }
       %p