fix(schematics): remove comments in collection.json (#2178)

src/schematics/src/collection.json

@@ -1,29 +1,13 @@
-// By default, collection.json is a Loose-format JSON5 format, which means it's loaded using a
-// special loader and you can use comments, as well as single quotes or no-quotes for standard
-// JavaScript identifiers.
-// Note that this is only true for collection.json and it depends on the tooling itself.
-// We read package.json using a require() call, which is standard JSON.
 {
-  // This is just to indicate to your IDE that there is a schema for collection.json.
   "$schema": "./node_modules/@angular-devkit/schematics/collection-schema.json",
-
   "extends": ["@schematics/angular"],
-  // Schematics are listed as a map of schematicName => schematicDescription.
-  // Each description contains a description field which is required, a factory reference,
-  // an extends field and a schema reference.
-  // The extends field points to another schematic (either in the same collection or a
-  // separate collection using the format collectionName:schematicName).
-  // The factory is required, except when using the extends field. Then the factory can
-  // overwrite the extended schematic factory.
   "schematics": {
-    // Adds @ngx-formly to an application without changing any templates
     "ng-add": {
       "description": "Adds @ngx-formly to the application without affecting any templates",
       "factory": "./ng-add",
       "schema": "./ng-add/schema.json",
       "aliases": ["init"]
     },
-
     "wrapper": {
       "aliases": [ "wc" ],
       "factory": "./wrapper-component",