Remove vestiges of old overlay source split

[trunk only]

src/mail.c

@@ -38,15 +38,10 @@ STATIC_DCL void FDECL(newmail, (struct mail_info *));
 
 extern char *viz_rmin, *viz_rmax;	/* line-of-sight limits (vision.c) */
 
-#ifdef OVL0
-
 # if !defined(UNIX) && !defined(VMS) && !defined(LAN_MAIL)
 int mustgetmail = -1;
 # endif
 
-#endif /* OVL0 */
-#ifdef OVLB
-
 # ifdef UNIX
 #include <sys/stat.h>
 #include <pwd.h>
@@ -117,9 +112,6 @@ getmailstatus()
 }
 # endif /* UNIX */
 
-#endif /* OVLB */
-#ifdef OVL0
-
 /*
  * Pick coordinates for a starting position for the mail daemon.  Called
  * from newmail() and newphone().
@@ -618,8 +610,6 @@ struct obj *otmp;
 
 # endif /* LAN_MAIL */
 
-#endif /* OVL0 */
-
 #endif /* MAIL */
 
 /*mail.c*/