RFR(M): 8155634: Clean out old logging and dead code from SurvRateGroup

[Stefan Johansson]

Hi Mikael,

On 2016-05-02 14:40, Mikael Gerdin wrote:
> Hi,
>
> Please review this change to clean out unused code from SurvRateGroup. 
> The G1YoungSurvRateNumRegionsSummary flag is only accessible in 
> notproduct builds and it is my opinion that the ability to print the 
> predicted aggregate survivor rates for eden regions at JVM shutdown is 
> not a particularly useful feature.
>
> Testing: Local testing with gc test suite.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8155634
> Webrev: http://cr.openjdk.java.net/~mgerdin/8155634/webrev.0/
Looks good, nice clean out.

StefanJ
>
> /Mikael