message: remove(types): previewAsset from MessageSticker
diff: @@ -17,11 +17,6 @@ export interface MessageSticker {
  * Note: The URL for fetching sticker assets is currently private.
  */
  asset: string;
  - /**
  - * Sticker preview asset hash
  - * Note: The URL for fetching sticker assets is currently private.
  - */
  - previewAsset?: string | null;
  /** Type of sticker format */
  formatType: DiscordMessageStickerFormatTypes;
  }
  