Reverts https://review.dev.storj.io/c/storj/storj/+/2074
That change broke all billing commands with `sql: database is closed`.
Fixing the issue does not make sense as the whole setup of billing
commands is now error-prone. It's better to revert it.
Change-Id: Id13f817b73c7313ba60181f740b0712e4bdce077
This allows to seeing logs in the output of the invoice commands.
Existing ensure-stripe-customer commands is moved from the 'reports' to
the new 'billing' root command.
Change-Id: I752c7ab6ca59bfac8e0f174a45d2ab45fc18e467
