Remove vestiges of old overlay source split

[trunk only]

src/track.c

@@ -10,17 +10,12 @@
 STATIC_VAR NEARDATA int utcnt, utpnt;
 STATIC_VAR NEARDATA coord utrack[UTSZ];
 
-#ifdef OVLB
-
 void
 initrack()
 {
 	utcnt = utpnt = 0;
 }
 
-#endif /* OVLB */
-#ifdef OVL1
-
 /* add to track */
 void
 settrack()
@@ -32,9 +27,6 @@ settrack()
 	utpnt++;
 }
 
-#endif /* OVL1 */
-#ifdef OVL0
-
 coord *
 gettrack(x, y)
 register int x, y;
@@ -63,6 +55,4 @@ register int x, y;
     return (coord *)0;
 }
 
-#endif /* OVL0 */
-
 /*track.c*/