Fix: delete useless allocation

Author: dyzheng

source/src_lcao/LCAO_matrix.cpp

@@ -78,12 +78,12 @@ void LCAO_Matrix::allocate_HS_gamma(const long &nloc)
     this->Sloc.resize(nloc);
     this->Hloc_fixed.resize(nloc);
     this->Hloc.resize(nloc);
-    this->Sdiag.resize(nloc);
+    //this->Sdiag.resize(nloc);
 
     ModuleBase::GlobalFunc::ZEROS(Sloc.data(),nloc);
     ModuleBase::GlobalFunc::ZEROS(Hloc_fixed.data(),nloc);
     ModuleBase::GlobalFunc::ZEROS(Hloc.data(),nloc);
-    ModuleBase::GlobalFunc::ZEROS(Sdiag.data(),nloc); // mohan add 2021-01-30
+    //ModuleBase::GlobalFunc::ZEROS(Sdiag.data(),nloc); // mohan add 2021-01-30
 
     return;
 }
@@ -102,7 +102,7 @@ void LCAO_Matrix::allocate_HS_k(const long &nloc)
     this->Sloc2.resize(nloc);
     this->Hloc_fixed2.resize(nloc);
     this->Hloc2.resize(nloc);
-    this->Sdiag2.resize(nloc);
+    //this->Sdiag2.resize(nloc);
 
     ModuleBase::GlobalFunc::ZEROS(Sloc2.data(),nloc);
     ModuleBase::GlobalFunc::ZEROS(Hloc_fixed2.data(),nloc);