Switch from Redux to Apollo for client state management

[abraha2d]

Is your feature request related to a problem? Please describe.
There's no need to have 2 separate state frameworks when 1 is enough.

Describe the solution you'd like
Remove Redux from the app. Use Apollo for client-side state.

Describe alternatives you've considered
Keeping both Redux and Apollo?

Additional context
https://www.apollographql.com/docs/react/essentials/local-state.html