Revert "Merge pull request #73 from ncharles/ust_3426/dev/3428_add_a_file_with_generation_timestamp"

This reverts commit 7547c0f169e29a698ec3b90f56206c54671b015e, reversing
changes made to 2c2e3af953f2da5850e04510faa7354ecd274970.