Revert "(bug 58943) Archivebot: create unit tests for Timestripper"

Still a deadlock on Travis CI, even though it worked
for me locally...

This reverts commit 7393a66e1f31156b1ab8cd0cf5ceb274bf8bc027.

Change-Id: Id129e5219a9103498f06996c3462c9c6fc919487
Merge "Revert "(bug 58943) Archivebot: create unit tests for Timestripper""