[Ignore]: Registration

[imath]

Link to the existing BP Codex page.

https://codex.buddypress.org/member-guide/registration/

Why should we ignore this page?

For the same reason I explained here #171

Instead we need to improve our current documentation page about signups admin #170

Tasks to accomplish

• This task has been added to the "Todo" panel of the Documentation project.
• The corresponding line of the data/README.md Pages list has been marked as "Ignore issue/task created".
• One of the BuddyPress Core committer reviewed it and agreed to ignore this Codex page.
• The task was moved to the "Done" panel of the Documentation project.