remove LGPL headers

src/signal-wrapper.cc

 // Copyright (c) 2018, Joseph Mirabel
 // Authors: Joseph Mirabel (joseph.mirabel@laas.fr)
-//
-// This file is part of dynamic-graph-python.
-// dynamic-graph-python is free software: you can redistribute it
-// and/or modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation, either version
-// 3 of the License, or (at your option) any later version.
-//
-// dynamic-graph-python 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 Lesser Public License for more details.  You should have
-// received a copy of the GNU Lesser General Public License along with
-// dynamic-graph-python. If not, see <http://www.gnu.org/licenses/>.
 
 #include "signal-wrapper.hh"
 

src/signal-wrapper.hh

 // Copyright (c) 2018, Joseph Mirabel
 // Authors: Joseph Mirabel (joseph.mirabel@laas.fr)
-//
-// This file is part of dynamic-graph-python.
-// dynamic-graph-python is free software: you can redistribute it
-// and/or modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation, either version
-// 3 of the License, or (at your option) any later version.
-//
-// dynamic-graph-python 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 Lesser Public License for more details.  You should have
-// received a copy of the GNU Lesser General Public License along with
-// dynamic-graph-python. If not, see <http://www.gnu.org/licenses/>.
 
 #include <Python.h>