Revert "Push dg-tempest-dsvm-full logs to swift"

This reverts commit 4bde0571f968909bd6c85bccdea95a1de6c8c7f0.

The upload script lacks the necessary requirements (the "magic"
library at least) in the system context on devstack-.* workers.

Change-Id: I358fb649bfee472d47641e2780208bac7521e0d3