Oembed slimmed to only do discovery (soon we get og: discovery too)

lib/default.php

@@ -276,10 +276,6 @@ $default =
               'maxpeople' => 500, // maximum no. of people with the same tag by the same user
               'allow_tagging' => array('all' => true), // equivalent to array('local' => true, 'remote' => true)
               'desclimit' => null),
-        'oembed' =>
-        array('endpoint' => null,   // 'https://noembed.com/embed/' for proxied oEmbed data
-              'order' => array('built-in', 'well-known', 'service', 'discovery'),
-        ),
         'search' =>
         array('type' => 'like'),
         'sessions' =>