Remove the "alter table drop column" to prevent upgrade failure.

Bug: 118349116
Test: manual db upgrade. Unittest doesn't cover db upgrade.
Change-Id: Iec49bb83859d0bb6d200a63d986a50162e07fe00
Merged-In: Iec49bb83859d0bb6d200a63d986a50162e07fe00
1 file changed