Jira: https://storjlabs.atlassian.net/browse/USR-822
This the last step of dropping these 2 db tables. It also deletes all
code associate with them.
Change-Id: I8be840dc2a7be255cf6308c9434b729fe4d9391e
To avoid including multiple months in a single invoice, we need all
inspector's invoice commands to run in for specific period.
See https://storjlabs.atlassian.net/browse/USR-725
Change-Id: I3637dc189234f02350daca8d897c21765762ea55