make default avatar resolving better (#1484)

* Update Constants.js

* Update User.js

* Update Constants.js

* Update Constants.js

src/util/Constants.js

@@ -205,6 +205,7 @@ const Endpoints = exports.Endpoints = {
     return {
       Emoji: emojiID => `${root}/emojis/${emojiID}.png`,
       Asset: name => `${root}/assets/${name}`,
+      DefaultAvatar: number => `${root}/embed/avatars/${number}.png`,
       Avatar: (userID, hash, format = 'default', size) => {
         if (format === 'default') format = hash.startsWith('a_') ? 'gif' : 'webp';
         if (!AllowedImageFormats.includes(format)) throw new Error(`Invalid image format: ${format}`);
@@ -451,14 +452,6 @@ exports.MessageTypes = [
   'GUILD_MEMBER_JOIN',
 ];
 
-exports.DefaultAvatars = {
-  BLURPLE: '6debd47ed13483642cf09e832ed0bc1b',
-  GREY: '322c936a8c8be1b803cd94861bdfa868',
-  GREEN: 'dd4dbc0016779df1378e7812eabaa04d',
-  ORANGE: '0e291f67c9274a1abdddeb3fd919cbaa',
-  RED: '1cbd08c76f8af6dddce02c5138971129',
-};
-
 exports.ExplicitContentFilterTypes = [
   'DISABLED',
   'NON_FRIENDS',