Review Request: JMC-6034: Update Platform definition and remove jre config

[Guru]

Please review the fix for 
JBS : https://bugs.openjdk.java.net/browse/JMC-6034 <https://bugs.openjdk.java.net/browse/JMC-6034>
Web rev : http://cr.openjdk.java.net/~ghb/JMC-6034/webrev.0/ <http://cr.openjdk.java.net/~ghb/JMC-6034/webrev.0/>

Solution : Updated the Platform definition file with latest version and removed `a.jre.javase and config.a.jre.javase` which is not required any more.

Thanks,
Guru