[Extensions] Remove unused parts of the preferencesPrivate API

chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc

Index: chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
diff --git a/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc b/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
index e40a5f1e60d0b8bdd369443c70849a2e2d163f0d..635d127c55e5e4556d69327b5c262854cebcba93 100644
--- a/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
+++ b/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
@@ -31,7 +31,6 @@ class PreferenceWhitelist {
     // installed. Otherwise, users may install your extension, the extension may
     // toggle settings, and after the extension has been disabled/uninstalled
     // the toggled setting remains in place. See http://crbug.com/164227#c157 .
-    whitelist_.insert("googlegeolocationaccess.enabled");
     // The following settings need to be checked and probably removed. See
     // http://crbug.com/164227#c157 .
     whitelist_.insert("easy_unlock.proximity_required");