[BUG] remove kda address from the node setup

[akhtarg]

Environment

Self-Hosted

System

Ubuntu 20.04

Version

v7.8

Describe the problem

Since KDA / MOK do not give out any rewards anymore, then KDA address is redundant in the node setup and should be removed

Additional info

No response

Please tick the boxes

• You have explained the issue clearly, and included all relevant info
• You are using the latest version of multitoolbox
• You've checked that this issue hasn't already been raised
• You've checked the official RunOnFlux Discord Pinned messages and FAQ
• You agree to the code of conduct