Remove bare links

Author: sampart

CODE_OF_CONDUCT.md

@@ -67,10 +67,7 @@ members of the project's leadership.
 
 ## Attribution
 
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
-available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
-
-[homepage]: https://www.contributor-covenant.org
+This Code of Conduct is adapted from the [Contributor Covenant, version 1.4](https://www.contributor-covenant.org/version/1/4/code-of-conduct.html).
 
 For answers to common questions about this code of conduct, see
-https://www.contributor-covenant.org/faq
+[the Contributor Covenant FAQ](https://www.contributor-covenant.org/faq). For more about Contributor Covenant, see [the Contributor Covenant website](https://www.contributor-covenant.org).