[CMake] Remove model.cpp from pinocchio lib

src/CMakeLists.txt

 # 
-# Copyright (c) 2015-2017 CNRS
+# Copyright (c) 2015-2018 CNRS
 # Copyright (c) 2015 Wandercraft, 86 rue de Paris 91400 Orsay, France.
 # 
 # This file is part of Pinocchio
@@ -23,10 +23,6 @@ ENDMACRO(ADD_TARGET_CFLAGS)
 # --- C++ --------------------------------------------
 # ----------------------------------------------------
 
-SET(${PROJECT_NAME}_MULTIBODY_SOURCES
-  multibody/model.cpp
-  )
-
 SET(${PROJECT_NAME}_PARSERS_SOURCES
   parsers/sample-models.cpp
   )
@@ -39,7 +35,6 @@ IF(LUA5_FOUND)
 ENDIF(LUA5_FOUND)
 
 SET(${PROJECT_NAME}_SOURCES
-  ${${PROJECT_NAME}_MULTIBODY_SOURCES}
   ${${PROJECT_NAME}_PARSERS_SOURCES}
 )
 

src/multibody/model.cpp

-//
-// Copyright (c) 2015 CNRS
-//
-// This file is part of Pinocchio
-// Pinocchio 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.
-//
-// Pinocchio 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
-// Pinocchio If not, see
-// <http://www.gnu.org/licenses/>.
-
-#include "pinocchio/multibody/model.hpp"
-
-namespace se3
-{
-//  const Eigen::Vector3d Model::gravity981 (0,0,-9.81);
-}