RFR (XS): 8198896: Remove dead code: cardTableModRefBSForCTRS.hpp

[Kim Barrett]

> On Mar 1, 2018, at 10:46 AM, Erik Österlund <erik.osterlund at oracle.com> wrote:
> 
> Hi,
> 
> The cardTableModRefBSForCTRS.hpp file is no longer referenced from anywhere and may be removed.
> 
> Webrev:
> http://cr.openjdk.java.net/~eosterlund/8198896/webrev.00/
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8198896
> 
> Thanks,
> /Erik

Looks good.