Unallocate the memory required by LU-SGS module
subroutine destroy_plusgs()
!< Unallocate the memory required by LU-SGS module
implicit none
call dealloc(imin_send_buf)
call dealloc(jmin_send_buf)
call dealloc(kmin_send_buf)
call dealloc(imin_recv_buf)
call dealloc(jmin_recv_buf)
call dealloc(kmin_recv_buf)
call dealloc(imax_send_buf)
call dealloc(jmax_send_buf)
call dealloc(kmax_send_buf)
call dealloc(imax_recv_buf)
call dealloc(jmax_recv_buf)
call dealloc(kmax_recv_buf)
call dealloc(delQ)
call dealloc(delQstar)
call dealloc(dummy)
end subroutine destroy_plusgs