Openj9 XL spec cleanup

[sophia-guo]

Related #23

Signed-off-by: Sophia Guo [email protected]

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[sophia-guo]

@AdamBrousseau is it a good time for this clean up? Thanks.

[AdamBrousseau]

I think this is fine. I'm not sure what estimatedKey is used for to be honest and I've never liked how additionalFilename param was handled (hardcoded to xl). I don't believe the filename addition is used for anything else. I think we can leave the param but remove the xl code for it as you have done.

[karianna]

LGTM