got rid of BTree and intSet modules

lib/python/SearchIndex/IIBTree.c

-/* $Id: IIBTree.c,v 1.4 1997/10/10 18:23:37 jim Exp $ */
-
-#define INTKEY int
-#define INTVAL int
-
-static char *needed_to_make_release_happy="$Id: IIBTree.c,v 1.4 1997/10/10 18:23:37 jim Exp $";
-
-#include "BTree.c"

lib/python/SearchIndex/IOBTree.c

-/* $Id: IOBTree.c,v 1.4 1997/10/10 18:24:11 jim Exp $ */
-
-static char *needed_to_make_release_happy=
-"$Id: IOBTree.c,v 1.4 1997/10/10 18:24:11 jim Exp $";
-
-#define INTKEY int
-#include "BTree.c"

lib/python/SearchIndex/OIBTree.c

-/* $Id: OIBTree.c,v 1.4 1997/10/10 18:24:35 jim Exp $ */
-
-static char *needed_to_make_release_happy=
-"$Id: OIBTree.c,v 1.4 1997/10/10 18:24:35 jim Exp $";
-
-#define INTVAL int
-#include "BTree.c"