Thanks for pointing out that these are two different commands. I missed
that.
To me it looks like you accidentally configured "addressbook" in your
@default context to use Google CardDAV. Otherwise the second step would
not attempt to contact any server.
There's no command to remove sources, so if you don't have anything else
configured in the default context, then remove it completely with:
syncevolution --remove @default
Then run the second command again.