replaced babu with edge orchestrator when able

General MR

Summary

Replaces references to babu

Relevant logs/screenshots

(Include any relevant logs/screenshots)

Linked Issue

[issue](bigbang-edge-controller-iso-builder#318 (closed))

Upgrade Notices

(Include any relevant notes about upgrades here or write "N/A" if there are none)

Closes #318 (closed)