Resolve "Bugs for links in page "Why Starter/Bronze?""

What is current bug behavior

1. Multiple links to the docs are not correct.
2. "https://docs.gitlab.com/ee/user/project/merge_requests/img/approvals_premium_mr_widget.png" is not available now.
3. “Context switching no more” needs to be deleted.

• Reorder issues is available in Core/Free.
• Focus mode is available in Core/Free now.

Related issues

Closes