rm non-used code

Author: gituser789

femmt/optimization/sto.py

@@ -387,10 +387,6 @@ def single_reluctance_model_simulation(reluctance_input: StoReluctanceModelInput
                                ff.calculate_cylinder_volume(2 * r_outer, reluctance_input.core_inner_diameter / 4))
             volume_core_middle = ff.calculate_cylinder_volume(2 * r_outer, reluctance_input.core_inner_diameter / 4)
 
-            p_top_old = p_density_top * volume_core_top
-            p_bot_old = p_density_bot * volume_core_bot
-            p_middle_old = p_density_middle * volume_core_middle
-
             p_top_tablet = fr.magent_loss_model_on_cylinder_radiant(
                 magnet_material_model=reluctance_input.magnet_material_model, r_cyl_inner=reluctance_input.core_inner_diameter,
                 r_cyl_outer=r_outer, time_vec=reluctance_input.time_extracted_vec, flux_vec=flux_top,