code-generator: Remove now unused helper function

staging/src/k8s.io/code-generator/pkg/util/build.go

@@ -17,40 +17,9 @@ limitations under the License.
 package util
 
 import (
-	gobuild "go/build"
-	"path/filepath"
 	"strings"
 )
 
-// CurrentPackage returns the go package of the current directory, or "" if it cannot
-// be derived from the GOPATH.
-func CurrentPackage() string {
-	for _, root := range gobuild.Default.SrcDirs() {
-		if pkg, ok := hasSubdir(root, "."); ok {
-			return pkg
-		}
-	}
-	return ""
-}
-
-func hasSubdir(root, dir string) (rel string, ok bool) {
-	// ensure a tailing separator to properly compare on word-boundaries
-	const sep = string(filepath.Separator)
-	root = filepath.Clean(root)
-	if !strings.HasSuffix(root, sep) {
-		root += sep
-	}
-
-	// check whether root dir starts with root
-	dir = filepath.Clean(dir)
-	if !strings.HasPrefix(dir, root) {
-		return "", false
-	}
-
-	// cut off root
-	return filepath.ToSlash(dir[len(root):]), true
-}
-
 // Vendorless trims vendor prefix from a package path to make it canonical
 func Vendorless(p string) string {
 	if pos := strings.LastIndex(p, "/vendor/"); pos != -1 {