v24 breaks keyring_jeepney

[firefart]

Hi,
it looks like the removal of keyring.util.properties in v24 broke keyring_jeepney which seems to be pretty dead since 6 years. You might want to mention this in the Readme under third-party backends as keyring_jeepney is now non functional with the current version.

[mitya57]

I don't think someone needs keyring_jeepney, as now we have a built-in SecretStorage-based backend (which also uses jeepney under the hood).

[firefart]

https://github.com/genotrance/px Uses it / recommends it for headless systems