libtracker-data: Do not delete database and do not exit on corruption
libtracker-data: Do not delete database and do not exit on corruption

If there is no journal, deleting the database will cause data loss. Do
not do this automatically as it should not be common with SQLite fsync
enabled and we cannot be sure that database file is not usable anymore.

outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker