Remove unused code

ts/components/conversation/media-gallery/types/Message.tsx

@@ -1,10 +1,4 @@
-import is from '@sindresorhus/is';
-import { partition, sortBy } from 'lodash';
-
-import * as MIME from '../../../../types/MIME';
-import { arrayBufferToObjectURL } from '../../../../util/arrayBufferToObjectURL';
 import { Attachment } from '../../../../types/Attachment';
-import { MapAsync } from '../../../../types/MapAsync';
 
 export type Message = {
   id: string;
@@ -14,64 +8,3 @@ export type Message = {
   thumbnailObjectUrl?: string;
   objectURL?: string;
 };
-
-export const loadWithObjectURL = (loadMessage: MapAsync<Message>) => async (
-  messages: Array<Message>
-): Promise<Array<Message>> => {
-  if (!is.function_(loadMessage)) {
-    throw new TypeError("'loadMessage' must be a function");
-  }
-  if (!is.array(messages)) {
-    throw new TypeError("'messages' must be an array");
-  }
-
-  // Messages with video are too expensive to load into memory, so we don’t:
-  const [messagesWithVideo, messagesWithoutVideo] = partition(
-    messages,
-    hasVideoAttachment
-  );
-  const loadedMessagesWithoutVideo: Array<Message> = await Promise.all(
-    messagesWithoutVideo.map(loadMessage)
-  );
-  const loadedMessages = sortBy(
-    [...messagesWithVideo, ...loadedMessagesWithoutVideo],
-    message => -message.received_at
-  );
-
-  return loadedMessages.map(withObjectURL);
-};
-
-const hasVideoAttachment = (message: Message): boolean =>
-  message.attachments.some(
-    attachment =>
-      !is.undefined(attachment.contentType) &&
-      MIME.isVideo(attachment.contentType)
-  );
-
-export const withObjectURL = (message: Message): Message => {
-  if (message.attachments.length === 0) {
-    throw new TypeError('`message.attachments` cannot be empty');
-  }
-
-  const attachment = message.attachments[0];
-  if (is.undefined(attachment.contentType)) {
-    throw new TypeError('`attachment.contentType` is required');
-  }
-
-  if (is.undefined(attachment.data) && MIME.isVideo(attachment.contentType)) {
-    return {
-      ...message,
-      objectURL: 'images/video.svg',
-    };
-  }
-
-  const objectURL = arrayBufferToObjectURL({
-    data: attachment.data,
-    type: attachment.contentType,
-  });
-
-  return {
-    ...message,
-    objectURL,
-  };
-};