Remove vestiges of geth specific naming

[fordN]

Description

Some env variables and functions still use geth specific naming though they are applied more generally.

Are you aware of any blockers that must be resolved before implementing this feature? If so, which? Link to any relevant GitHub issues.

No response

Some information to help us out

• Tick this box if you plan on implementing this feature yourself.
• I have searched the issue tracker to make sure this issue is not a duplicate.