The "Payment Acquirers" category was moved to the /general/ folder
(Miscellaneous section) when the super-categories such as "Finance"
didn't exist yet. Now, it makes more sense to move this category to
"Finance".
task-id 2743227
closesodoo/documentation#1479
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>