Remove sqlite 3.44.4 source code

Sqlite 3.44.4 was added to code base in anticipation of a needed fix,
but that fix was eventually found to be unnecessary.  Since Android
is no using 3.44.4 and has no immediate plans to use 3.44.4, the
source code is being removed.

Flag: EXEMPT cleanup
Bug: 421951979
Test: presubmit
Change-Id: Ifc48b21a63192bd9c66053cd59a32c5be481c691
11 files changed