Remove vestiges of old overlay source split

[trunk only]

src/were.c

@@ -4,8 +4,6 @@
 
 #include "hack.h"
 
-#ifdef OVL0
-
 void
 were_change(mon)
 register struct monst *mon;
@@ -35,9 +33,6 @@ register struct monst *mon;
 	}
 }
 
-#endif /* OVL0 */
-#ifdef OVLB
-
 STATIC_DCL int FDECL(counter_were,(int));
 
 STATIC_OVL int
@@ -151,6 +146,4 @@ boolean purify;
 	    rehumanize();
 }
 
-#endif /* OVLB */
-
 /*were.c*/