Revert "Revert "Fix homepage versions dropdown" (#20087)"

This reverts commit f9f0b2ce86.

lib/permalink.js

@@ -2,7 +2,6 @@ const assert = require('assert')
 const path = require('path')
 const patterns = require('./patterns')
 const allVersions = require('./all-versions')
-const nonEnterpriseDefaultVersion = require('./non-enterprise-default-version')
 const removeFPTFromPath = require('./remove-fpt-from-path')
 
 class Permalink {
@@ -27,24 +26,10 @@ class Permalink {
     assert(languageCode, 'languageCode is required')
 
     const permalinks = applicableVersions
-      // skip the Dotcom homepage here because a special homepage permalink is added below
-      .filter(pageVersion => !(pageVersion === nonEnterpriseDefaultVersion && relativePath === 'index.md'))
       .map(pageVersion => {
         return new Permalink(languageCode, pageVersion, relativePath, title)
       })
 
-    // special permalink for homepage
-    if (relativePath === 'index.md') {
-      const homepagePermalink = {
-        ...permalinks[0],
-        href: '/' + languageCode,
-        pageVersion: 'homepage',
-        pageVersionTitle: permalinks[0].title,
-        homepage: true
-      }
-      permalinks.push(homepagePermalink)
-    }
-
     return permalinks
   }