remove objectivec extractor and keep swiftutils podfilelock extractor

extractor/filesystem/language/swift/swiftutils/podfilelock.go

@@ -23,11 +23,8 @@ import (
 )
 
 // PodfileLock represents the structure of a Podfile.lock file.
-type PodfileLock struct {
-	Pods            []interface{}     `yaml:"PODS"`
-	SpecChecksums   map[string]string `yaml:"SPEC CHECKSUMS"`
-	PodfileChecksum string            `yaml:"PODFILE CHECKSUM"`
-	Cocopods        string            `yaml:"COCOAPODS"`
+type podfileLock struct {
+	Pods []interface{} `yaml:"PODS"`
 }
 
 // Package represents a single package parsed from Podfile.lock.
@@ -48,7 +45,7 @@ func ParsePodfileLock(reader io.Reader) ([]Package, error) {
 		return nil, fmt.Errorf("file is empty")
 	}
 
-	var podfile PodfileLock
+	var podfile podfileLock
 	if err = yaml.Unmarshal(bytes, &podfile); err != nil {
 		return nil, fmt.Errorf("unable to parse YAML: %w", err)
 	}

extractor/filesystem/list/list.go

@@ -45,7 +45,6 @@ import (
 	"github.com/google/osv-scalibr/extractor/filesystem/language/javascript/packagelockjson"
 	"github.com/google/osv-scalibr/extractor/filesystem/language/javascript/pnpmlock"
 	"github.com/google/osv-scalibr/extractor/filesystem/language/javascript/yarnlock"
-	podfilelock "github.com/google/osv-scalibr/extractor/filesystem/language/objectivec/podfilelock"
 	"github.com/google/osv-scalibr/extractor/filesystem/language/php/composerlock"
 	"github.com/google/osv-scalibr/extractor/filesystem/language/python/condameta"
 	"github.com/google/osv-scalibr/extractor/filesystem/language/python/pdmlock"
@@ -133,8 +132,6 @@ var (
 	}
 	// PHP extractors.
 	PHP []filesystem.Extractor = []filesystem.Extractor{&composerlock.Extractor{}}
-	// ObjectiveC extractors.
-	ObjectiveC []filesystem.Extractor = []filesystem.Extractor{podfilelock.Extractor{}}
 	// Containers extractors.
 	Containers []filesystem.Extractor = []filesystem.Extractor{containerd.New(containerd.DefaultConfig())}
 
@@ -175,7 +172,6 @@ var (
 		Rust,
 		Dotnet,
 		SBOM,
-		ObjectiveC,
 		OS,
 		Containers,
 	)
@@ -198,7 +194,6 @@ var (
 		"rust":       Rust,
 
 		"sbom":       SBOM,
-		"objectivec": ObjectiveC,
 		"os":         OS,
 		"containers": Containers,