Fix handling of CIDR values in warewulf.conf

- Fixes: #1541
- Fixes: #1594

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

internal/app/wwctl/root.go

@@ -92,8 +92,5 @@ func rootPersistentPreRunE(cmd *cobra.Command, args []string) (err error) {
 			return
 		}
 	}
-	if err = conf.SetDynamicDefaults(); err != nil {
-		wwlog.Error("error setting default configuration: %s", err)
-	}
 	return
 }