Remove header in module_deltaspin

Author: Cstandardlib

source/source_lcao/module_deltaspin/cal_mw.cpp

@@ -2,7 +2,6 @@
 
 #include "source_base/matrix.h"
 #include "source_base/name_angular.h"
-#include "source_base/module_external/scalapack_connector.h"
 #include "source_base/tool_title.h"
 #include "source_base/timer.h"
 #include "source_pw/module_pwdft/onsite_projector.h"