src/confd: drop /interfaces/interface/eth:ethernet config deviation

Drop this deviation for v23.11 since it clashes with pyang + NETCONFc client.
We expect to support configuration of speed+duplex in v23.12.

[skip ci]

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/confd/yang/infix-ethernet-interface@2023-11-22.yang

@@ -23,14 +23,20 @@ module infix-ethernet-interface {
    * Data Nodes
    */
 
-
   /* Deviations for config and status */
 
+/* The following works with yanglint but is not supported by pyang.
+   Actually, the same error message is shown also by NETCONFc, so
+   we drop this for the v23.11 release.  Despite not supporting
+   writing to any of these nodes.
+
   deviation "/if:interfaces/if:interface/eth:ethernet" {
     deviate add {
       config false;
     }
   }
+*/
+
   deviation "/if:interfaces/if:interface/eth:ethernet/eth:flow-control" {
     deviate not-supported;
   }