Revert^2 "Introduce versioned data files to tzdata module." am: a3d5ddd52e am: 10d2c00961

Original change: https://android-review.googlesource.com/c/platform/system/timezone/+/3111781

Change-Id: I65534b58cbd278f29a6cfd934d20c69cf36dd6dc
Signed-off-by: Automerger Merge Worker <[email protected]>