Remove obsoleted files

1998-06-02 00:17:23 +00:00 · 1998-06-02 00:17:23 +00:00 · e30946506d
--- a/include/export.mac
+++ b/include/export.mac
@ -95,7 +95,6 @@ xp_qsort.h
 xp_reg.h
 xp_rgb.h
 xp_sec.h
-xp_sock.h
 xp_str.h
 xp_thrmo.h
 xp_time.h