Remove ReduceMean.cpp

src/operator/ReduceMean.cpp

-/********************************************************************************
- * Copyright (c) 2023 CEA-List
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License 2.0 which is available at
- * http://www.eclipse.org/legal/epl-2.0.
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- ********************************************************************************/
-
-#include <string>
-
-#include "aidge/operator/ReduceMean.hpp"
-
-const std::string Aidge::ReduceMean_Op::Type = "ReduceMean";
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