shop bits

     Eliminate a couple of minor redundancies; no change in game play.

dropy() - only check about selling object if there is a shop on the level.
pick_obj() - leave it to addinv() clear object's no_charge bit.

src/do.c

@@ -573,7 +573,7 @@ register struct obj *obj;
 	    place_object(obj, u.ux, u.uy);
 	    if (obj == uball)
 		drop_ball(u.ux,u.uy);
-	    else
+	    else if (level.flags.has_shop)
 		sellobj(obj, u.ux, u.uy);
 	    stackobj(obj);
 	    if(Blind && Levitation)

src/pickup.c

@@ -1390,8 +1390,6 @@ struct obj *otmp;
 	    if (!index(u.ushops, *fakeshop))
 		remote_burglary(otmp->ox, otmp->oy);
 	}
-	if (otmp->no_charge)	/* only applies to objects outside invent */
-	    otmp->no_charge = 0;
 	newsym(otmp->ox, otmp->oy);
 	return addinv(otmp);	/* might merge it with other objects */
 }