fix typo in 3rd DUP abundances: it relied on an obselete

#define statement 

src/nucsyn/nucsyn_set_third_dredgeup_abunds.c

@@ -37,14 +37,8 @@ void nucsyn_set_third_dredgeup_abunds(Abundance * RESTRICT dup_material,
     double intershell[NUCSYN_INTERSHELL_TABLE_LINE_LENGTH]; // output data
 
     x[0]=MAX(1e-4,MIN(0.02,z));
-#ifdef NUCSYN_S_PROCESS_METHOD1
-    x[1]=MAX(1,MIN(137,star->num_thermal_pulses));
-    x[2]=mc;
-#endif
-#ifdef NUCSYN_S_PROCESS_METHOD2
     x[1]=star->menv0+star->mc0;
     x[2]=MAX(1,MIN(137,star->num_thermal_pulses));
-#endif
 
     /*
      * First copy envelope abundances to intershell abundances