Fix disableEveryone

Author: Throne3d

lib/bot.js

@@ -594,9 +594,8 @@ class Bot {
       const username = _.padEnd(author.substring(0, USERNAME_MAX_LENGTH), USERNAME_MIN_LENGTH, '_');
       webhook.client.send(withMentions, {
         username,
-        text,
         avatarURL,
-        disableEveryone: !canPingEveryone,
+        disableMentions: canPingEveryone ? 'none' : 'everyone',
       }).catch(logger.error);
       return;
     }