MINIFICPP-1275 Remove deprecated ScopeGuard class

Closes #1639

Signed-off-by: Marton Szasz <szaszm@apache.org>
diff --git a/libminifi/include/utils/ScopeGuard.h b/libminifi/include/utils/ScopeGuard.h
deleted file mode 100644
index a208adf..0000000
--- a/libminifi/include/utils/ScopeGuard.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/**
- * @file ScopeGuard.h
- * Exception class declaration
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef LIBMINIFI_INCLUDE_UTILS_SCOPEGUARD_H_
-#define LIBMINIFI_INCLUDE_UTILS_SCOPEGUARD_H_
-
-#include <utility>
-#include <functional>
-
-#include "utils/gsl.h"
-#include "core/Deprecated.h"
-
-namespace org {
-namespace apache {
-namespace nifi {
-namespace minifi {
-namespace utils {
-
-struct DEPRECATED(/*deprecated in*/ 0.8.0, /*will remove in */ 1.0) ScopeGuard : ::gsl::final_action<std::function<void()>> {
-  using ::gsl::final_action<std::function<void()>>::final_action;
-
-  void disable() noexcept {
-    dismiss();
-  }
-};
-
-}  // namespace utils
-}  // namespace minifi
-}  // namespace nifi
-}  // namespace apache
-}  // namespace org
-#endif  // LIBMINIFI_INCLUDE_UTILS_SCOPEGUARD_H_