Remove dast_scan_branch component
What does this MR do and why?
This removes dast_scan_branch.vue component and its spec.
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
How to set up and validate locally
Validate that the component is not used anywhere in the codebase.