Revert "Add script to convert PPT to PNGs"

This reverts commit ac02737d95fd9698768322098477a3e1b0d2bfff.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1773706 13f79535-47bb-0310-9956-ffa450edef68

ppt2png.sh

@@ -1,9 +0,0 @@
-#!/bin/sh
-
-# find jar-file with highest version number
-for i in `ls build/dist/poi-*.jar | grep -v -- "-sources" | grep -v -- "-excelant" | grep -v -- "-ooxml"`;do
-	CP=$CP:$i
-done
-echo Using classpath $CP
-
-java -cp $CP org.apache.poi.hslf.examples.PPT2PNG "$@"