fix make_co_wd envelope removal relaxation

Author: evbauer

star/test_suite/make_co_wd/inlist_remove_env

@@ -13,7 +13,7 @@
       ! the envelope on the AGB
       timescale_for_relax_entropy = 1d-5
       max_dt_for_relax_entropy = 1d-6
-      num_timescales_for_relax_entropy = 30
+      num_timescales_for_relax_entropy = 50
       max_steps_to_relax_entropy = 10000
 
       remove_surface_by_relax_to_star_cut = .true.