Remove old tzdata_update tests

The code has now been replaced by tzdata_update2.

Bug: 31008728
Test: make
Merged-In: I58bcb60d53d04079b5eea85dd0d3839da31b16b1
Change-Id: I58bcb60d53d04079b5eea85dd0d3839da31b16b1
1 file changed