Revert "fstab: enable checkpoint_merge"

This reverts commit d3c3954e86743eb87b39c535fd2ea694decc150c.

Reason for revert: B9 keeps kernel on rvc-qpr and failed to boot fail

Bug: 180867488
Bug: 183349868
Change-Id: If71f7c511dbffeab706d697f8dfb808936a52b1a
(cherry picked from commit 7e27936561537c47328516dc87f780b11cffc659)
1 file changed