Make REINCARNATION unconditional.

There is a lot of code affected by this, and Pat Rankin correctly
observes that it would be better to store roguelike as a level flag
rather than just using Is_rogue_level. A note for the future.

src/mhitu.c

@@ -654,9 +654,7 @@ mattacku(mtmp)
 			break;
 		case AT_WEAP:
 			if(range2) {
-#ifdef REINCARNATION
 				if (!Is_rogue_level(&u.uz))
-#endif
 					thrwmu(mtmp);
 			} else {
 			    int hittmp = 0;