Remove vestiges of old overlay source split

[trunk only]

src/dbridge.c

@@ -12,7 +12,6 @@
 
 #include "hack.h"
 
-#ifdef OVLB
 STATIC_DCL void FDECL(get_wall_for_db, (int *, int *));
 STATIC_DCL struct entity *FDECL(e_at, (int, int));
 STATIC_DCL void FDECL(m_to_e, (struct monst *, int, int, struct entity *));
@@ -29,9 +28,6 @@ STATIC_DCL boolean FDECL(automiss, (struct entity *));
 STATIC_DCL boolean FDECL(e_missed, (struct entity *, BOOLEAN_P));
 STATIC_DCL boolean FDECL(e_jumps, (struct entity *));
 STATIC_DCL void FDECL(do_entity, (struct entity *));
-#endif /* OVLB */
-
-#ifdef OVL0
 
 boolean
 is_pool(x,y)
@@ -75,10 +71,6 @@ int x,y;
     return FALSE;
 }
 
-#endif /* OVL0 */
-
-#ifdef OVL1
-
 /*
  * We want to know whether a wall (or a door) is the portcullis (passageway)
  * of an eventual drawbridge.
@@ -150,9 +142,6 @@ int *x,*y;
 	return FALSE;
 }
 
-#endif /* OVL1 */
-#ifdef OVLB
-
 /*
  * Find the drawbridge wall associated with a drawbridge.
  */
@@ -928,6 +917,4 @@ int x,y;
 	}
 }
 
-#endif /* OVLB */
-
 /*dbridge.c*/