refactor(fs): remove unused field for CompositeFS (#7195)

Signed-off-by: nikpivkin <[email protected]>

Author: nikpivkin

pkg/fanal/analyzer/analyzer.go

@@ -504,7 +504,7 @@ func (ag AnalyzerGroup) PostAnalyze(ctx context.Context, compositeFS *CompositeF
 
 // PostAnalyzerFS returns a composite filesystem that contains multiple filesystems for each post-analyzer
 func (ag AnalyzerGroup) PostAnalyzerFS() (*CompositeFS, error) {
-	return NewCompositeFS(ag)
+	return NewCompositeFS()
 }
 
 func (ag AnalyzerGroup) filePatternMatch(analyzerType Type, filePath string) bool {

pkg/fanal/analyzer/analyzer_test.go

@@ -614,7 +614,7 @@ func TestAnalyzerGroup_PostAnalyze(t *testing.T) {
 			require.NoError(t, err)
 
 			// Create a virtual filesystem
-			composite, err := analyzer.NewCompositeFS(analyzer.AnalyzerGroup{})
+			composite, err := analyzer.NewCompositeFS()
 			require.NoError(t, err)
 
 			mfs := mapfs.New()

pkg/fanal/analyzer/fs.go

@@ -15,19 +15,17 @@ import (
 
 // CompositeFS contains multiple filesystems for post-analyzers
 type CompositeFS struct {
-	group AnalyzerGroup
 	dir   string
 	files *sync.Map[Type, *mapfs.FS]
 }
 
-func NewCompositeFS(group AnalyzerGroup) (*CompositeFS, error) {
+func NewCompositeFS() (*CompositeFS, error) {
 	tmpDir, err := os.MkdirTemp("", "analyzer-fs-*")
 	if err != nil {
 		return nil, xerrors.Errorf("unable to create temporary directory: %w", err)
 	}
 
 	return &CompositeFS{
-		group: group,
 		dir:   tmpDir,
 		files: new(sync.Map[Type, *mapfs.FS]),
 	}, nil