style: remove trailing whitespace

Author: alan-agius4

packages/ngtools/webpack/package.json

@@ -22,7 +22,7 @@
   "homepage": "https://github.com/angular/angular-cli/tree/master/packages/@ngtools/webpack",
   "dependencies": {
     "@angular-devkit/core": "0.0.0",
-    "enhanced-resolve": "4.1.0",    
+    "enhanced-resolve": "4.1.0",
     "rxjs": "6.3.3",
     "tree-kill": "1.2.0",
     "webpack-sources": "1.2.0"