Add meta post fields

function wpsites_add_remove_user_contact_fields( $contactmethods ) {

$contactmethods['twitter'] = 'Twitter';
$contactmethods['facebook'] = 'Facebook';
$contactmethods['Youtube'] = 'YouTube';
$contactmethods['linkedin'] = 'LinkedIn';
$contactmethods['skype'] = 'Skype';
$contactmethods['googleplus'] = 'Google Plus';

unset($contactmethods['aim']);
unset($contactmethods['yim']);
unset($contactmethods['jabber']);

return $contactmethods;
}

add_filter('user_contactmethods','wpsites_add_remove_user_contact_fields',10,1);