move babel to regular dependencies, remove mongouri from log

[jeffzyliu]

Description

heroku prunes the entire dev dependencies before running the build script :/ so we need babel up here.

Also removed mongoURI for security reasons

Type of Change

• [ ] New feature
• [x] Bug fix
• [ ] Breaking change
• [ ] Documentation update

Checklist

• [ ] Unit/integration tests
• [ ] Documentation

Tickets

• Issue Number