Removed browser.urlbar.maxRichResults

As discussed in #208

The URL suggestion is controlled by browser.urlbar.autocomplete.enabled

user.js

@@ -859,12 +859,6 @@ user_pref("network.IDN_show_punycode",				true);
 user_pref("browser.urlbar.autoFill",				false);
 user_pref("browser.urlbar.autoFill.typed",			false);
 
-// PREF: Don't suggest any URLs while typing at the address bar (disabled)
-// https://www.labnol.org/software/browsers/prevent-firefox-showing-bookmarks-address-location-bar/3636/
-// http://kb.mozillazine.org/Browser.urlbar.maxRichResults
-// "Setting the preference to 0 effectively disables the Location Bar dropdown entirely."
-//user_pref("browser.urlbar.maxRichResults",			0);
-
 // PREF: Disable CSS :visited selectors
 // https://blog.mozilla.org/security/2010/03/31/plugging-the-css-history-leak/
 // https://dbaron.org/mozilla/visited-privacy