Fix --no-color documentation

[genevieveluyt]

Description

The default for the --no-color flag is false. That is, colors are enabled by default. Double negative 🙃

Type of change

• [ ] Bug fix :bug:
• [ ] New feature :sparkles:
• [x] This change requires a documentation update :book:
• [ ] Breaking changes :warning:

  How Has This Been Tested?

• [ ] Test A
• [ ] Test B

Checklist:

• [ ] I have :tophat: my changes (A 🎩 specifically includes pulling down changes, setting them up, and manually testing the changed features and potential side effects to make sure nothing is broken)
• [ ] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes
• [ ] The test coverage did not decrease
• [ ] I have signed the appropriate Contributor License Agreement