[cmake] remove clang options
[cmake] remove clang options

fperignon/siconos,bremond/siconos,siconos/siconos,radarsat1/siconos,radarsat1/siconos,radarsat1/siconos,bremond/siconos,fperignon/siconos,bremond/siconos,fperignon/siconos,bremond/siconos,radarsat1/siconos,fperignon/siconos,siconos/siconos,fperignon/siconos,siconos/siconos,bremond/siconos,radarsat1/siconos,siconos/siconos