Remove adding of incident label

What does this MR do and why?

Relates to #290964 (closed)

These changes are done to avoid adding incident label on incident creation

Screenshots or screen recordings

incident_2

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.