Wiki exists

[TheSuperGamer20578]

Removes (currently non-existent) from the end of README.md

Checklist

• [ ] This PR has been tested (N/A)
  • [ ] Everything still works
  • [ ] No major bugs have been made
    • [ ] I have listed minor bugs that have been added
• [x] I have listed all changes that this PR makes
• [x] This PR needs no further work
• [ ] Manual restart and/or configuration required post-merge (N/A)
  • [ ] I have listed how to make bot work again post-merge
• [x] README.md or other documentation will be updated by this PR

• [ ] This is a major change

• [x] This is a minor change

• [x] This is a bug fix

• [ ] This is an enhancement or new feature

• [ ] Other: