Revert "Update Annotator to 42b8bb1c (typed-packaging branch)"

This reverts commit 3607dc428494a62b583d05c2192167146e9c1707.
Revert "Improve extension code injection logic (delay + deduplication)"

This reverts commit 44624570e25ba5099c23b06f993b99c7f4727d8f.

Conflicts:
	h/browser/chrome/js/background.js