[8u] RFR: 8210891: Remove unused extutil.h from JDK8u sources

[Seán Coffey]

Approved.

Regards,
Sean.

On 03/10/18 10:42, Dmitry Markov wrote:
> Hello,
>
> Could you review the following fix, please?
>
> 	bug: https://bugs.openjdk.java.net/browse/JDK-8210891 <https://bugs.openjdk.java.net/browse/JDK-8210891>
> 	webrev: http://cr.openjdk.java.net/~dmarkov/8210891/webrev.00/ <http://cr.openjdk.java.net/~dmarkov/8210891/webrev.00/>
>
> Removed extutil.h and updated TPRMs accordingly.
>
> Thanks in advance,
> Dmitry