Old tkr-source-controller needs to be removed when upgrading to (u)TKG 2.0

[imikushin]

Bug description

In TKG 1.6 and prior, tkr-source-controller is installed via a ClusterResourceSet (with ApplyOnce mode). TKG 2.0 introduces tkr-service with broader functionality, so the old tkr-source-controller needs to be removed.

Affected product area (please put an X in all that apply)

• ( ) APIs
• ( ) Addons
• ( ) CLI
• ( ) Docs
• ( ) IAM
• (X) Installation
• ( ) Plugin
• ( ) Security
• ( ) Test and Release
• ( ) User Experience
• ( ) Developer Experience

Expected behavior

After upgrading from TKG 1.6 to uTKG, tkr-controller-manager deployment no longer exists in the tkr-system namespace.

Steps to reproduce the bug

1. Upgrade from TKG 1.6 to uTKG.
2. Notice that the tkr-controller-manager deployment still exists in the tkr-system namespace.

Version (include the SHA if the version is not obvious)

TKG 1.6

Environment where the bug was observed (cloud, OS, etc)

Relevant Debug Output (Logs, manifests, etc)