Actually undo changes to e-backport

Author: itsananderson

src/e-backport.js

@@ -91,13 +91,7 @@ program
       `Failed to checkout new branch "${manualBpBranch}"`,
     );
 
-    spawnSync(
-      config,
-      'yarn',
-      ['install', '--prod'],
-      gitOpts,
-      `Failed to do "yarn install" on new branch`,
-    );
+    spawnSync(config, 'yarn', ['install'], gitOpts, `Failed to do "yarn install" on new branch`);
 
     const cherryPickResult = spawnSync(config, 'git', ['cherry-pick', pr.merge_commit_sha], {
       cwd: gitOpts.cwd,