Revert "Clearing up invalid entries when SyncStorageEngine starts" am:...

Revert "Clearing up invalid entries when SyncStorageEngine starts" am: 4a9d3584 am: 0597a936  -s ours am: d2455f8f am: 2d194e59 am: 57bbf9bb am: cf16ef09 am: f0d00e51 am: 4e61bdb7 am: d1e7db9f am: 9ecbe6f6 am: a9e9e839 am: f580b0f6
am: 2bded323

Change-Id: I630b1db9d19f34f6f42601a36a5883e824087287