RFR(S): 8058583: Remove CompilationRepeat

[Nils Eliasson]

Hi,

I need a review for this small change:

Removing the product flag -XX:CompilationRepeat since it is not useful, 
is untested and only supports the c1 compiler.

webrev: http://cr.openjdk.java.net/~neliasso/8058583/webrev.03/
bug: https://bugs.openjdk.java.net/browse/JDK-8058583

Thanks,
Nils Eliasson