Fix bad deletion cleaner func

- Was delete if before `now`
- Should be delete if before `now - 30 days`

storage-new/models/User.go

@@ -114,6 +114,6 @@ type IUser interface {
 	GetPagedAllNonDeleted(pageNr uint) ([]gen.T, error)
 	// Gdpr deleted users
 	//
-	// DELETE FROM @@table WHERE deleted_at IS NOT NULL AND deleted_at < NOW()
+	// DELETE FROM @@table WHERE deleted_at IS NOT NULL AND deleted_at + interval '30 days' < NOW()
 	GdprUsers() error
 }