remove commented out code

lib/page.js

@@ -18,7 +18,6 @@ const statsd = require('./statsd')
 const readFileContents = require('./read-file-contents')
 const getLinkData = require('./get-link-data')
 const union = require('lodash/union')
-// const getDocumentType = require('./get-document-type')
 
 class Page {
   static async init (opts) {
@@ -77,9 +76,6 @@ class Page {
       this.introLinks.rawOverview = this.introLinks.overview
     }
 
-    // Is this a Product, Category, Topic, or Article?
-    // this.documentType = getDocumentType(this.relativePath)
-
     // Get array of versions that the page is available in for fast lookup
     this.applicableVersions = getApplicableVersions(this.versions, this.fullPath)