fix(graphql): fix RemoveLinkResolver for glossaries

[trialiya]

Checklist

• [ ] The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• [ ] Links to related issues (if applicable)
• [ ] Tests for the changes have been added/updated (if applicable)
• [ ] Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• [ ] For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

Summary by CodeRabbit

• New Features

  • Enhanced authorization checks for link updates, incorporating a new entity client for more granular controls, particularly for glossary-related entities.

• Bug Fixes

  • Streamlined authorization logic, removing unnecessary complexity and improving clarity in the link management processes.

• Refactor

  • Improved the structure and efficiency of the link update authorization methods, ensuring better functionality and maintainability.