MDL-78428 tiny_media: Fix JSDoc

lib/editor/tiny/plugins/media/amd/src/helpers.js

@@ -170,7 +170,7 @@ export const stopMediaLoading = (root, selector) => {
  * Return true or false if the url is external.
  *
  * @param {string} url
- * @returns
+ * @returns {boolean} True if the URL is external, otherwise false.
  */
 export const isExternalUrl = (url) => {
     const regex = new RegExp(`${Config.wwwroot}`);

lib/editor/tiny/plugins/media/amd/src/mediabase.js

@@ -83,7 +83,6 @@ export class MediaBase {
      * It is put here so image.js and/or friends can extend this class and call this for media proportion.
      *
      * @param {boolean} forceHeight Whether set by height or not
-     * @returns
      */
     autoAdjustSize = (forceHeight = false) => {
         // If we do not know the media size, do not do anything.