discontinued obsolete lib/scripts/polyml-platform;

--- a/NEWS	Tue Feb 08 21:06:03 2011 +0100
+++ b/NEWS	Tue Feb 08 21:12:27 2011 +0100
@@ -13,6 +13,9 @@
 * Discontinued support for Poly/ML 5.2, which was the last version
 without proper multithreading and TimeLimit implementation.
 
+* Discontinued old lib/scripts/polyml-platform, which has been
+obsolete since Isabelle2009-2.
+
 
 *** HOL ***
 

--- a/lib/scripts/polyml-platform	Tue Feb 08 21:06:03 2011 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-echo "### Legacy feature: polyml-platform script is superseded by ISABELLE_PLATFORM" >&2
-echo "$ISABELLE_PLATFORM"