Feature: Remove billing from docs

[SammyOina]

Is your feature request related to a problem? Please describe.

billing is being removed from ui and we need to remove from docs as well

Describe the feature you are requesting, as well as the possible use case(s) for it.

remove billing docs

Indicate the importance of this feature to you.

Must-have

Anything else?

No response

[SammyOina]

closed by #52