This reverts commitb04538e7c7. Revert "Bug 1966470 - Part 1: Add `mach artifact install --unfiltered-project-package` command. r=firefox-build-system-reviewers,glandium" This reverts commit55d81741d4. Revert "Bug 1966470 - Pre: Make `l10n-repack.py` command line easier to copy-paste. r=firefox-build-system-reviewers,glandium" This reverts commit3f10eacb36. Revert "Bug1966468- Make `mozinstall` handle archives when cross-compiling. r=firefox-build-system-reviewers,ahal,glandium" This reverts commitc46d4a5469.