docs: move architecture

[sabaini]

Description

Move architecture out

Type of change

Delete options that are not relevant.

• Documentation update (change to documentation only)

How has this been tested?

Note

All functional changes should accompany corresponding tests (unit tests, functional tests, etc.).

Please describe the addition/modification of tests done to verify this change. Also list any
relevant details for your test configuration.

Contributor checklist

Please check that you have:

• self-reviewed the code in this PR
• added code comments, particularly in less straightforward areas
• checked and added or updated relevant documentation
• checked and added or updated relevant release notes
• added tests to verify effectiveness of this change

[skoech]

Thanks, @sabaini. I've left a few inline comments.