"expr IN ()" to "false", take care not to delete aggregate functions
in the "expr" as doing so can change the meaning of the query.
FossilOrigin-Name: 355c7902de8da79f35f6d729d0fc5bdd74cdc1a1b249cf440ef74839ec025850
of an index, though the code generator still rejects everything other than
simple column names. The sqlite3RestrictColumnListSyntax() routine is removed
since that feature is now handled by the parser.
FossilOrigin-Name: bed42116addabcf3dfdc2e2d51ae183965704988
