Bug 1510307 - Fix the comment next to esni pref. r=JuniorHsu

Differential Revision: https://phabricator.services.mozilla.com/D13083

--HG--
extra : moz-landing-system : lando

modules/libpref/init/all.js

@@ -1950,8 +1950,6 @@ pref("network.sts.max_time_for_pr_close_during_shutdown", 5000);
 pref("network.sts.pollable_event_timeout", 6);
 
 // Enable/disable sni encryption.
-// Currently this does not work even if the pref is true, the nss part is
-// missing.
 pref("network.security.esni.enabled", false);
 
 // 2147483647 == PR_INT32_MAX == ~2 GB