Rather than forcing them to wrap their parameters in a "payload"
sub-object, copy in params directly. We include the "origin" field
one level up, if they care.
The next patch restores compatibility for the one place we currently use
them, which is the pay plugin.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Deprecated: pyln-client: plugin custom notifications origins and payload (use parameters directly)
16819f345d