Deprecate Registries

[NevilleS]

From fideslang created by pattisdr: IABTechLab#170

Is your feature request related to a specific problem?

We have registry fields on systems and registry tables that are not being used and causing confusion. Let's remove them if we can!

ethyca/fides#4116 (comment)

registries are an extremely old and never-used feature ...

It was conceived as a way to help organizations organize their fides resources into sub-units. Specifically you could assign systems to a registry to logically "group" them. This use-case has never materialized

Describe the solution you'd like

A description of what you want to happen.

Describe alternatives you've considered, if any

A description of any alternative solutions or features you've considered.

Additional context

Add any other context or screenshots about the feature request here.