test/integration/README: remove ref to non-existent dir

[alxndrsn]

The directory test/integration/cli does not exist.

The reference was introduced in b1f26e2, and the directory did not exist in that commit either.

See:

• https://github.com/mochajs/mocha/tree/main/test/integration
• https://github.com/mochajs/mocha/tree/main/test/integration/cli
• https://github.com/mochajs/mocha/tree/b1f26e2955211003bdf1fd3f445a5c39c1235a81/test/integration/cli

PR Checklist

• Addresses an existing open issue: fixes #000
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Removes reference to non-existent directory.

[linux-foundation-easycla]

• ❌ The email address for the commit (f712aa9) is not linked to the GitHub account, preventing the EasyCLA check. Consult this Help Article and GitHub Help to resolve. (To view the commit's email address, add .patch at the end of this PR page's URL.) For further assistance with EasyCLA, please submit a support request ticket.

[JoshuaKGoldberg]

Nice spot, thanks! 👏

[alxndrsn]

I was hoping to write a test for a CLI invocation... 😞

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.68%. Comparing base (f4e7e54) to head (f712aa9).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5516   +/-   ##
=======================================
  Coverage   93.68%   93.68%           
=======================================
  Files          57       57           
  Lines        4384     4384           
  Branches      846      846           
=======================================
  Hits         4107     4107           
  Misses        277      277           

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[JoshuaKGoldberg]

@alxndrsn are you able to sign the CLA? (not sure if this is a "you need to sign" or "the bot isn't recognizing that you signed")