Remove duplicated approval endpoints
What does this MR do?
Remove duplicated approval related API endpoints.
Fix #10329 (closed)
Does this MR meet the acceptance criteria?
Conformity
- [-] Changelog entry
- [-] Documentation created/updated or follow-up review issue created
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Code review guidelines -
Merge request performance guidelines - [-] Style guides
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Database guides -
Separation of EE specific content
Performance and testing
- [-] Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
- [-] Tested in all supported browsers Closes #10329 (closed)