refactor: remove unused code

pkg/list/list.go

@@ -6,25 +6,6 @@ import (
 	"strings"
 )
 
-type Lister struct {
-	Items  []string
-	Mather func(s, i string) bool
-}
-
-func (l *Lister) Has(i string) bool {
-	for _, item := range l.Items {
-		if l.Mather(item, i) {
-			return true
-		}
-	}
-	return false
-}
-
-func (l *Lister) Insert(s string) error {
-	l.Items = append(l.Items, s)
-	return nil
-}
-
 func ParseFile(file io.Reader) ([]string, error) {
 	items := make([]string, 0)
 	var err error
@@ -47,10 +28,3 @@ func ParseFile(file io.Reader) ([]string, error) {
 	}
 	return items, nil
 }
-
-func New(items []string, matcher func(s, i string) bool) *Lister {
-	return &Lister{
-		Items:  items,
-		Mather: matcher,
-	}
-}