all: Remove unused code

Using x/tools/cmd/deadcode

resources/image.go

@@ -424,16 +424,6 @@ func (i *imageResource) doWithImageConfig(conf images.ImageConfig, f func(src im
 	return img, nil
 }
 
-func (i *imageResource) decodeImageConfig(action, spec string) (images.ImageConfig, error) {
-	options := strings.Fields(spec)
-	conf, err := images.DecodeImageConfig(action, options, i.Proc.Cfg, i.Format)
-	if err != nil {
-		return conf, err
-	}
-
-	return conf, nil
-}
-
 type giphy struct {
 	image.Image
 	gif *gif.GIF

resources/resource/resourcetypes.go

@@ -66,7 +66,6 @@ type ResourceError interface {
 
 // ErrProvider provides an Err.
 type ErrProvider interface {
-
 	// Err returns an error if this resource is in an error state.
 	// This will currently only be set for resources obtained from resources.GetRemote.
 	Err() ResourceError
@@ -215,15 +214,3 @@ func (r resourceTypesHolder) ResourceType() string {
 func NewResourceTypesProvider(mediaType media.Type, resourceType string) ResourceTypesProvider {
 	return resourceTypesHolder{mediaType: mediaType, resourceType: resourceType}
 }
-
-type languageHolder struct {
-	lang *langs.Language
-}
-
-func (l languageHolder) Language() *langs.Language {
-	return l.lang
-}
-
-func NewLanguageProvider(lang *langs.Language) LanguageProvider {
-	return languageHolder{lang: lang}
-}

resources/resource_factories/create/remote.go

@@ -65,7 +65,6 @@ func responseToData(res *http.Response, readBody bool) map[string]any {
 	}
 
 	return m
-
 }
 
 func toHTTPError(err error, res *http.Response, readBody bool) *HTTPError {
@@ -141,7 +140,6 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 				if res.StatusCode != http.StatusNotFound {
 					if res.StatusCode < 200 || res.StatusCode > 299 {
 						return nil, temporaryHTTPStatusCodes[res.StatusCode], toHTTPError(fmt.Errorf("failed to fetch remote resource: %s", http.StatusText(res.StatusCode)), res, !isHeadMethod)
-
 					}
 				}
 
@@ -151,9 +149,7 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 				}
 
 				return b, false, nil
-
 			}()
-
 			if err != nil {
 				if retry {
 					if start.IsZero() {
@@ -174,7 +170,6 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 			return hugio.ToReadCloser(bytes.NewReader(b)), nil
 
 		}
-
 	})
 	if err != nil {
 		return nil, err
@@ -307,22 +302,6 @@ func addUserProvidedHeaders(headers map[string]any, req *http.Request) {
 	}
 }
 
-func hasHeaderValue(m http.Header, key, value string) bool {
-	var s []string
-	var ok bool
-
-	if s, ok = m[key]; !ok {
-		return false
-	}
-
-	for _, v := range s {
-		if v == value {
-			return true
-		}
-	}
-	return false
-}
-
 func hasHeaderKey(m http.Header, key string) bool {
 	_, ok := m[key]
 	return ok