fix: removed unused function

Author: kekcleader

listener/apischema/builder_test.go

@@ -20,11 +20,6 @@ type fakeClient struct {
 
 type fakeErrClient struct{}
 
-type fakeRESTMapper struct {
-	isNamespaced bool
-	err          error
-}
-
 func (f *fakeClient) Paths() (map[string]openapi.GroupVersion, error) {
 	return f.paths, nil
 }
@@ -33,17 +28,6 @@ func (f *fakeErrClient) Paths() (map[string]openapi.GroupVersion, error) {
 	return nil, errors.New("fail Paths")
 }
 
-func (f *fakeRESTMapper) RESTMapping(gk metav1.GroupKind, versions ...string) (*meta.RESTMapping, error) {
-	if f.err != nil {
-		return nil, f.err
-	}
-	scope := meta.RESTScopeRoot
-	if f.isNamespaced {
-		scope = meta.RESTScopeNamespace
-	}
-	return &meta.RESTMapping{Scope: scope}, nil
-}
-
 // TestGetOpenAPISchemaKey tests the getOpenAPISchemaKey function. It checks if the
 // function correctly formats the GroupVersionKind into the expected schema key format.
 func TestGetOpenAPISchemaKey(t *testing.T) {