[SKR Watch] Remove Verify func

[lindnerby]

Description

Update the Kyma Lifecycle Manager (KLM) to clean up deprecated verification logic for listener event parsing and move to the new Runtime Watcher version.

Reasons

Since certificate parsing now happens on the Runtime Watcher side, KLM no longer needs to verify SKR domains manually. This simplifies KLM’s event handling code significantly.

Acceptance Criteria

• Update KLM to consume the latest RW version
• Remove the verification logic based on san_pinning.go
• Ensure skrEventHandler depends only on event payload fields (watched, watched-gvk, skr)
• Cleanup and remove related tests around verification

Testing Approach

• Unit Testing
• E2E Testing for event-driven reconciliation