remove obsolete function and references

outdated/sys/share

@@ -0,0 +1,43 @@
+/* NetHack 3.7	nhlan.c	$NHDT-Date: 1596498282 2020/08/03 23:44:42 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.11 $ */
+/* Copyright (c) Michael Allison, 1997                  */
+/* NetHack may be freely redistributed.  See license for details. */
+
+/*
+ * Currently shared by the following ports:
+ *	WIN32
+ *
+ * The code in here is used to take advantage of added features
+ * that might be available in a Local Area Network environment.
+ *
+ * 	Network Username of player
+ */
+
+#include "hack.h"
+#include <ctype.h>
+
+#ifdef LAN_FEATURES
+
+void
+init_lan_features(void)
+{
+    lan_username();
+}
+/*
+ * The get_lan_username() call is a required call, since some of
+ * the other LAN features depend on a unique username being available.
+ *
+ */
+
+char *
+lan_username(void)
+{
+    char *lu;
+    lu = get_username(&g.lusername_size);
+    if (lu) {
+        Strcpy(g.lusername, lu);
+        return g.lusername;
+    } else
+        return (char *) 0;
+}
+#endif /*LAN_FEATURES*/
+/*nhlan.c*/