fix(gitlab): fetch media library images through API (#1433)

packages/netlify-cms-backend-bitbucket/src/API.js

@@ -52,7 +52,6 @@ export default class API {
   processFile = file => ({
     ...file,
     name: basename(file.path),
-    download_url: file.links.self.href,
 
     // BitBucket does not return file SHAs, but it does give us the
     // commit SHA. Since the commit SHA will change if any files do,

packages/netlify-cms-backend-bitbucket/src/implementation.js

@@ -209,7 +209,7 @@ export default class Bitbucket {
     const sem = semaphore(MAX_CONCURRENT_DOWNLOADS);
 
     return this.api.listAllFiles(this.config.get('media_folder')).then(files =>
-      files.map(({ id, name, download_url, path }) => {
+      files.map(({ id, name, path }) => {
         const getBlobPromise = () =>
           new Promise((resolve, reject) =>
             sem.take(() =>
@@ -220,7 +220,7 @@ export default class Bitbucket {
             ),
           );
 
-        return { id, name, getBlobPromise, url: download_url, path };
+        return { id, name, getBlobPromise, path };
       }),
     );
   }