json does not allow comments

debian/patches/0420-use-system-libs.patch

@@ -1,11 +1,10 @@
 --- a/package.json
 +++ b/package.json
-@@ -57,7 +57,7 @@
+@@ -57,7 +57,6 @@
      "vue-loader": "^11.3.4",
      "vue-resource": "^0.9.3",
      "vue-template-compiler": "^2.2.6",
 -    "webpack": "^2.3.3",
-+//    "webpack": "^2.3.3",
      "webpack-bundle-analyzer": "^2.3.0"
    },
    "devDependencies": {