client: remove unnecessary err check and unused variable ioErr

Removes an unnecessary err check where ioErr was never assigned to a value and therefore always nil. Also removes the variable all together since it is now no longer used anywhere.

Signed-off-by: karo <karolin.kostial@gmail.com>

client/incus_images.go

@@ -462,7 +462,6 @@ func (r *ProtocolIncus) CreateImage(image api.ImagesPost, args *ImageCreateArgs)
 	}
 
 	// Prepare the body
-	var ioErr error
 	var body io.Reader
 	var contentType string
 	if args.RootfsFile == nil {
@@ -610,10 +609,6 @@ func (r *ProtocolIncus) CreateImage(image api.ImagesPost, args *ImageCreateArgs)
 
 	defer func() { _ = resp.Body.Close() }()
 
-	if ioErr != nil {
-		return nil, err
-	}
-
 	// Handle errors
 	response, _, err := incusParseResponse(resp)
 	if err != nil {