removing non-existent method on this hook

Author: weaverryan

lib/webpack/shared-entry-concat-plugin.js

@@ -38,10 +38,6 @@ function getChunkFilename(stats, chunkName) {
 
 SharedEntryConcatPlugin.prototype.apply = function(compiler) {
     const emit = (stats) => {
-        if (stats.hasErrors()) {
-            return;
-        }
-
         /*
          * This is a hack. See ConfigGenerator.buildEntryConfig()
          * for other details.