vendor: update moby

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/docker/docker/errdefs/defs.go

@@ -43,11 +43,6 @@ type ErrNotModified interface {
 	NotModified()
 }
 
-// ErrAlreadyExists is a special case of ErrConflict which signals that the desired object already exists
-type ErrAlreadyExists interface {
-	AlreadyExists()
-}
-
 // ErrNotImplemented signals that the requested action/feature is not implemented on the system as configured.
 type ErrNotImplemented interface {
 	NotImplemented()

vendor/github.com/docker/docker/errdefs/helpers.go

@@ -130,22 +130,6 @@ func NotModified(err error) error {
 	return errNotModified{err}
 }
 
-type errAlreadyExists struct{ error }
-
-func (errAlreadyExists) AlreadyExists() {}
-
-func (e errAlreadyExists) Cause() error {
-	return e.error
-}
-
-// AlreadyExists is a helper to create an error of the class with the same name from any error type
-func AlreadyExists(err error) error {
-	if err == nil || IsAlreadyExists(err) {
-		return err
-	}
-	return errAlreadyExists{err}
-}
-
 type errNotImplemented struct{ error }
 
 func (errNotImplemented) NotImplemented() {}

vendor/github.com/docker/docker/errdefs/http_helpers.go

@@ -28,7 +28,7 @@ func GetHTTPErrorStatusCode(err error) int {
 		statusCode = http.StatusNotFound
 	case IsInvalidParameter(err):
 		statusCode = http.StatusBadRequest
-	case IsConflict(err) || IsAlreadyExists(err):
+	case IsConflict(err):
 		statusCode = http.StatusConflict
 	case IsUnauthorized(err):
 		statusCode = http.StatusUnauthorized

vendor/github.com/docker/docker/errdefs/is.go

@@ -15,7 +15,6 @@ func getImplementer(err error) error {
 		ErrForbidden,
 		ErrSystem,
 		ErrNotModified,
-		ErrAlreadyExists,
 		ErrNotImplemented,
 		ErrCancelled,
 		ErrDeadline,
@@ -77,12 +76,6 @@ func IsNotModified(err error) bool {
 	return ok
 }
 
-// IsAlreadyExists returns if the passed in error is a AlreadyExists error
-func IsAlreadyExists(err error) bool {
-	_, ok := getImplementer(err).(ErrAlreadyExists)
-	return ok
-}
-
 // IsNotImplemented returns if the passed in error is an ErrNotImplemented
 func IsNotImplemented(err error) bool {
 	_, ok := getImplementer(err).(ErrNotImplemented)