Revert "Introduce versioned data files to tzdata module." am: f2cfb13bd3 am: deaceb023f

Original change: https://android-review.googlesource.com/c/platform/system/timezone/+/3111764

Change-Id: If99280bb4e5728e91ea1502ad1d52039c7587552
Signed-off-by: Automerger Merge Worker <[email protected]>