Remove vestiges of old overlay source split

[trunk only]

src/mcastu.c

@@ -38,8 +38,6 @@ STATIC_DCL void FDECL(cast_cleric_spell,(struct monst *, int,int));
 STATIC_DCL boolean FDECL(is_undirected_spell,(unsigned int,int));
 STATIC_DCL boolean FDECL(spell_would_be_useless,(struct monst *,unsigned int,int));
 
-#ifdef OVL0
-
 extern const char * const flash_types[];	/* from zap.c */
 
 /* feedback when frustrated monster couldn't cast a spell */
@@ -71,9 +69,6 @@ boolean undirected;
 	}
 }
 
-#endif /* OVL0 */
-#ifdef OVLB
-
 /* convert a level based random selection into a specific mage spell;
    inappropriate choices will be screened out by spell_would_be_useless() */
 STATIC_OVL int
@@ -750,9 +745,6 @@ int spellnum;
     return FALSE;
 }
 
-#endif /* OVLB */
-#ifdef OVL0
-
 /* convert 1..10 to 0..9; add 10 for second group (spell casting) */
 #define ad_to_typ(k) (10 + (int)k - 1)
 
@@ -783,6 +775,4 @@ buzzmu(mtmp, mattk)		/* monster uses spell (ranged) */
 	return(1);
 }
 
-#endif /* OVL0 */
-
 /*mcastu.c*/