main.c, emphasize the common tail of ngnutmeg and ngspice

src/main.c

@@ -1303,13 +1303,6 @@ evl:
     }  /* ---  if (ft_batchmode) ---  */
 
 
-    for(;;)
-        if(!SETJMP(jbuf, 1)) {
-            /*  enter the command processing loop  */
-            cp_interactive = TRUE;
-            app_rl_readlines();
-        }
-
 #else  /* ~ SIMULATOR */
 
     if (ft_nutmeg && gdata) {
@@ -1321,7 +1314,9 @@ evl:
     }
 
 evl:
-    /* Nutmeg "main" */
+
+#endif /* ~ SIMULATOR */
+
     for(;;)
         if(!SETJMP(jbuf, 1)) {
             /*  enter the command processing loop  */
@@ -1329,7 +1324,5 @@ evl:
             app_rl_readlines();
         }
 
-#endif /* ~ SIMULATOR */
-
     return sp_shutdown(EXIT_NORMAL);
 }