network,udev: move TransmitQueues=/ReceiveQueues= from .network to .link

As the settings are mostly hardware setup, and merely see from network
layer.

See also discussions in
https://github.com/systemd/systemd/pull/18170#issuecomment-758807497
https://github.com/orgs/systemd/teams/systemd/discussions/1

test/fuzz/fuzz-link-parser/directives.link

@@ -20,6 +20,8 @@ Name=
 AlternativeNamesPolicy=
 AlternativeName=
 Alias=
+TransmitQueues=
+ReceiveQueues=
 TransmitQueueLength=
 MTUBytes=
 BitsPerSecond=