Now that we use sparse SDKs for building macOS 14, we can do the same on other platforms. Move TBDs into the SDKs, at the same paths they exist in internal SDKs.
Pull request: https://github.com/WebKit/WebKit/pull/15856
<rdar://problem/112673909>
Committed 266215@main (383e646d32ad): <https://commits.webkit.org/266215@main> Reviewed commits have been landed. Closing PR #15856 and removing active labels.
Committed 266220@main (0b9ce5200fdb): <https://commits.webkit.org/266220@main> Reviewed commits have been landed. Closing PR #15999 and removing active labels.
Committed 266223@main (875c04f6354f): <https://commits.webkit.org/266223@main> Reviewed commits have been landed. Closing PR #16005 and removing active labels.