Relicense GFA parser under SPAdes-compatible license

Signed-off-by: Anton Korobeynikov <anton@korobeynikov.info>

src/common/io/graph/gfa.cpp

@@ -1,27 +1,9 @@
-
 //***************************************************************************
 //* Copyright (c) 2023-2024 SPAdes team
 //* All Rights Reserved
 //* See file LICENSE for details.
 //***************************************************************************
 
-// Copyright 2022 Anton Korobeynikov
-
-// This file is part of Bandage
-
-// Bandage is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Bandage is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Bandage. If not, see <http://www.gnu.org/licenses/>.
-
 #include "gfa.hpp"
 
 #include <lexy/action/parse.hpp> // lexy::parse