Remove diagh Pointer in lcao solver tests

Author: Cstandardlib

source/module_hsolver/test/diago_lapack_test.cpp

@@ -127,7 +127,6 @@ class DiagoLapackPrepare
     std::vector<T> h;
     std::vector<T> s;
     HamiltTEST<T> hmtest;
-    // hsolver::DiagH<T>* dh = nullptr;
     psi::Psi<T> psi;
     std::vector<double> e_solver;
     std::vector<double> e_lapack;

source/module_hsolver/test/diago_lcao_test.cpp

@@ -95,7 +95,6 @@ class DiagoPrepare
     std::vector<T> s;
     std::vector<T> h_local;
     std::vector<T> s_local;
-    // hsolver::DiagH<T>* dh = 0;
     psi::Psi<T> psi;
     std::vector<double> e_solver;
     std::vector<double> e_lapack;