access-control: remove check_permissions/permission they have been handled by PVE::RPCEnvironment for quite some time already, and the versions there are the complete ones that should be actually used. manager switched over their last use not long ago, in 6.0-9, so record a Breaks to that version. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>