The "Learn more" link under "Syntax highlighting theme" in settings just displays a screenshot of the setting

Summary

The "Learn more" link under Syntax highlighting theme in settings is useless: it just displays a screenshot of the setting.

Steps to reproduce

1. While logged into gitlab.com, navigate to https://gitlab.com/help/user/profile/preferences#syntax-highlighting-theme
2. Click on "Learn more" under the "Syntax highlighting theme" heading.

What is the current bug behavior?

The link takes you to https://gitlab.com/help/user/profile/img/profile-preferences-syntax-themes.png which appears to be a screenshot of the Syntax highlighting theme section of the settings.

What is the expected correct behavior?

The Learn more link should should go to a page with more information about the "Syntax highlighting theme" setting.