References for the removed opts:

https://webkitgtk.org/reference/webkit2gtk/stable/property.WebContext.local-storage-directory.html?q=
https://webkitgtk.org/reference/webkit2gtk/stable/property.WebsiteDataManager.disk-cache-directory.html
https://webkitgtk.org/reference/webkit2gtk/stable/property.WebsiteDataManager.indexeddb-directory.html
https://webkitgtk.org/reference/webkit2gtk/stable/property.WebsiteDataManager.service-worker-registrations-directory.html
https://webkitgtk.org/reference/webkit2gtk/stable/property.WebsiteDataManager.itp-directory.html
https://webkitgtk.org/reference/webkit2gtk/stable/property.WebsiteDataManager.hsts-cache-directory.html