remove common_d3 bundle

app/views/projects/environments/metrics.html.haml

@@ -2,7 +2,6 @@
 - page_title "Metrics for environment", @environment.name
 - content_for :page_specific_javascripts do
   = webpack_bundle_tag 'common_vue'
-  = webpack_bundle_tag 'common_d3'
 .prometheus-container{ class: container_class }
   .top-area

app/views/projects/graphs/charts.html.haml

 - @no_container = true
 - page_title "Charts"
-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag('common_d3')
 .repo-charts{ class: container_class }
   %h4.sub-header

config/webpack.config.js

@@ -276,18 +276,6 @@ var config = {
       },
     }),
-    // create cacheable common library bundle for all d3 chunks
-    new webpack.optimize.CommonsChunkPlugin({
-      name: 'common_d3',
-      chunks: [
-        'monitoring',
-        'users',
-      ],
-      minChunks: function (module, count) {
-        return module.resource && /d3-/.test(module.resource);
-      },
-    }),
-
     // create cacheable common library bundles
     new webpack.optimize.CommonsChunkPlugin({
       names: ['main', 'common', 'webpack_runtime'],