attempt 1 for unfollow

[ZerooCC]

Please check the following boxes

All boxes are required

• [x] I agree to the Contribution Guidelines and to the Code of Conduct
• [ ] I tested my code and I verified it's working to the best of my ability
• [ ] I checked if my code doesn't violate the styleguide with npm test

Describe your pull request

A short 1-2 sentence description of your pull request

Why is this change needed? Feature request; !unfollow

Please explain why the changes you're proposing are beneficial or required ^

Does your pull request solve an open issue? If yes, please mention what one it should, https://github.com/Dougley/MegaBot/issues/95

See https://help.github.com/en/articles/closing-issues-using-keywords