Remove vestiges of old overlay source split

[trunk only]

win/tty/topl.c

@@ -19,8 +19,6 @@ STATIC_DCL void FDECL(topl_putsym, (CHAR_P));
 STATIC_DCL void NDECL(remember_topl);
 STATIC_DCL void FDECL(removetopl, (int));
 
-#ifdef OVLB
-
 int
 tty_doprev_message()
 {
@@ -117,9 +115,6 @@ tty_doprev_message()
     return 0;
 }
 
-#endif /* OVLB */
-#ifdef OVL1
-
 STATIC_OVL void
 redotoplin(str)
     const char *str;
@@ -169,9 +164,6 @@ const char *s;
     ttyDisplay->toplin = 1;
 }
 
-#endif /* OVL1 */
-#ifdef OVL2
-
 void
 more()
 {
@@ -451,9 +443,6 @@ char def;
 
 	return q;
 }
-
-#endif /* OVL2 */
-
 #endif /* TTY_GRAPHICS */
 
 /*topl.c*/