Revert!!!! "Guarantee that db, shm and wal files are deleted together." !!!! REVERT

THIS CAUSES HORROR ON TORO!! BAD!!

This reverts commit 8d050691aa149d605d785c378dac4cc4b41494e8.

Change-Id: I6fa7cc63e0243f030eef4bf4344ff700d9abfda6
Signed-off-by: DHOMD <DHO@dho.im>