database_formatter: initialize `DatabaseFormatter` object in `initialize`
database_formatter: initialize `DatabaseFormatter` object in `initialize`

`initialize` is called by `new` for free, making a separate initialization step
redundant.

Signed-off-by: Anurag Priyam <6e6ab5ea9cb59fe7c35d2a1fc74443577eb60635@gmail.com>

deepakunni3/sequenceserver,jasminZ/sequenceserver,yeban/sequenceserver,jasminZ/sequenceserver,IsmailM/sequenceserver,aldermossy/sequenceserver,lepbase/lepbase-sequenceserver,IsmailM/sequenceserver,IsmailM/sequenceserver,yeban/sequenceserver,jasminZ/sequenceserver,yeban/sequenceserver,elsiklab/sequenceserver,aldermossy/sequenceserver,vivekiitkgp/sequenceserver,lepbase/lepbase-sequenceserver,vivekiitkgp/sequenceserver,yeban/sequenceserver,elsiklab/sequenceserver,deepakunni3/sequenceserver,deepakunni3/sequenceserver,lepbase/lepbase-sequenceserver,aldermossy/sequenceserver,vivekiitkgp/sequenceserver,aldermossy/sequenceserver,elsiklab/sequenceserver