Revert "Put tar and diff files in the right place."

Break the script when doing: ./make-release.py 1.21.2

It ends up with the base path being duplicated for the tar ball and
hence can't find anymore.


This reverts commit dac0b1ab71f8b07544116f9346e2e88936a73eaa.

Change-Id: Ifb3f0a84123160b6ff104ccf4885bf4d52388e8b
Merge "Revert "Put tar and diff files in the right place.""