Heroku app - Build a Nightlife Coordination App no longer exists

**Looking forward for reporting a security issue:**
Please report security issues by following our security policy: `https://contribute.freecodecamp.org/#/security`

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**
Steps to reproduce the behavior:
1. Go to [ Build a Nightlife Coordination App](https://www.freecodecamp.org/learn/coding-interview-prep/take-home-projects/build-a-nightlife-coordination-app) project.
2. Click on https://yoyo44.herokuapp.com/
3. See app no longer exists

**Expected behavior**
There needs to be a new version in this repo.