Remove old CHANGELOG or merge with CHANGELOG.md

[rendhalver]

Affected Puppet, Ruby, OS and module versions/distributions

• Puppet:
• Ruby:
• Distribution:
• Module version:

How to reproduce (e.g Puppet code you use)

What are you seeing

Puppet forge is picking up the CHANGELOG file and ignoring the new CHANGELOG.md file so we are not seeing the changes listed in the new file.

What behaviour did you expect instead

Output log

Any additional information you'd like to impart