It's not used for other architectures and triggers warnings.
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<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#16058
- [x] These changes do not require tests because it's purely refactoring task
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Source-Repo: https://github.com/servo/servo
Source-Revision: 2f6cf2e9c883d919b35d952f47d6bb1670f21def
910ab3f184