Revert "Merge pull request #22844 from lodr/bug-1043662-missing-labels"

This reverts commit d889984833025f208cfd3f3c2c37c87940a529dc, reversing
changes made to 8b1b64ca3347e015d7a57df6d053f95cd26046ca.
Merge pull request #22945 from nullaus/bug1053509

bug 1053509 - Use plain js download object when download succeeds. r=crd...
(cherry picked from commit 385f8b1fc9179441c9d6a6ad16ff8701edfa1faa)
Merge pull request #23006 from nullaus/v2.0

Merge pull request #22945 from nullaus/bug1053509