clean old stuff used to support precompilation inside a binary lib

Eigen/QR

@@ -9,15 +9,6 @@
 #include "Jacobi"
 #include "Householder"
 
-// Note that EIGEN_HIDE_HEAVY_CODE has to be defined per module
-#if (defined EIGEN_EXTERN_INSTANTIATIONS) && (EIGEN_EXTERN_INSTANTIATIONS>=2)
-  #ifndef EIGEN_HIDE_HEAVY_CODE
-  #define EIGEN_HIDE_HEAVY_CODE
-  #endif
-#elif defined EIGEN_HIDE_HEAVY_CODE
-  #undef EIGEN_HIDE_HEAVY_CODE
-#endif
-
 namespace Eigen {
 
 /** \defgroup QR_Module QR module
@@ -38,26 +29,6 @@ namespace Eigen {
 #include "src/QR/FullPivHouseholderQR.h"
 #include "src/QR/ColPivHouseholderQR.h"
 
-// declare all classes for a given matrix type
-#define EIGEN_QR_MODULE_INSTANTIATE_TYPE(MATRIXTYPE,PREFIX) \
-  PREFIX template class HouseholderQR<MATRIXTYPE>; \
-
-// declare all class for all types
-#define EIGEN_QR_MODULE_INSTANTIATE(PREFIX) \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(Matrix2f,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(Matrix2d,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(Matrix3f,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(Matrix3d,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(Matrix4f,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(Matrix4d,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(MatrixXf,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(MatrixXd,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(MatrixXcf,PREFIX); \
-  EIGEN_QR_MODULE_INSTANTIATE_TYPE(MatrixXcd,PREFIX)
-
-#ifdef EIGEN_EXTERN_INSTANTIATIONS
-  EIGEN_QR_MODULE_INSTANTIATE(extern);
-#endif // EIGEN_EXTERN_INSTANTIATIONS
 
 } // namespace Eigen