chore: delete the redundant patcher interface (#837)

pkg/modules/interfaces.go

@@ -11,17 +11,9 @@ type Generator interface {
 	Generate(intent *v1.Intent) error
 }
 
-// Patcher is the interface that wraps the Patch method.
-type Patcher interface {
-	Patch(resources map[string][]*v1.Resource) error
-}
-
 // NewGeneratorFunc is a function that returns a Generator.
 type NewGeneratorFunc func() (Generator, error)
 
-// NewPatcherFunc is a function that returns a Patcher.
-type NewPatcherFunc func() (Patcher, error)
-
 // GeneratorRequest defines the request of generators.
 type GeneratorRequest struct {
 	// Project represents the project name