Remove chan from interface

command/agent/cache/crypto/crypto.go

@@ -12,7 +12,7 @@ type KeyManager interface {
 	GetKey() []byte
 	GetPersistentKey() []byte
 	Renewable() bool
-	Renewer(context.Context, chan struct{}) error
+	Renewer(context.Context) error
 	Encrypt(context.Context, []byte, []byte) ([]byte, error)
 	Decrypt(context.Context, []byte, []byte) ([]byte, error)
 }

command/agent/cache/crypto/k8s.go

@@ -70,7 +70,7 @@ func (k *KubeEncryptionKey) Renewable() bool {
 
 // Renewer is used when the encryption key type is renewable. Since Kubernetes
 // keys aren't renewable, returning nothing.
-func (k *KubeEncryptionKey) Renewer(ctx context.Context, ch chan struct{}) error {
+func (k *KubeEncryptionKey) Renewer(ctx context.Context) error {
 	return nil
 }