remove this download when sha512 support lands in upstream cekit (elmiko)

[todo]

openshift-spark/change-yaml.sh

Lines 56 to 61 in f7053f8

	# TODO remove this download when sha512 support lands in upstream cekit (elmiko)
	wget https://archive.apache.org/dist/spark/spark-${SPARK}/spark-${SPARK}-bin-hadoop${HVER}.tgz -O /tmp/spark-${SPARK}-bin-hadoop${HVER}.tgz
	if [ "$?" -ne 0 ]; then
	echo "Failed to download the specified version Spark archive"
	exit 1
	fi

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This issue was generated by todo based on a TODO comment in f7053f8 when #80 was merged. cc @elmiko.