[#876] Fix linters

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

pkg/services/object/ape/checker.go

@@ -47,9 +47,7 @@ type Prm struct {
 	SenderKey string
 }
 
-var (
-	errMissingOID = fmt.Errorf("object ID is not set")
-)
+var errMissingOID = fmt.Errorf("object ID is not set")
 
 // CheckAPE checks if a request or a response is permitted creating an ape request and passing
 // it to chain router.