Remove unused parameters

Author: haochey

src/common/m_derived_types.f90

@@ -105,8 +105,6 @@ module m_derived_types
         real(kind(0d0)), dimension(num_fluids_max) :: alpha
         real(kind(0d0)) :: gamma
         real(kind(0d0)) :: pi_inf !<
-        real(kind(0d0)) :: vortex_vel !<
-        real(kind(0d0)) :: vortex_l !<
 
 
         !! Primitive variables associated with the patch. In order, these include