hg: build-infra/jdk9: Disable jcheck.

[Magnus Ihse Bursie]

. and for those interested, this marks the start of the new jdk9 
build-infra forest.

/Magnus

On 2014-03-31 12:37, magnus.ihse.bursie at oracle.com wrote:
> Changeset: 47abefee6cde
> Author:    ihse
> Date:      2014-03-31 12:37 +0200
> URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/47abefee6cde
>
> Disable jcheck.
>
> - .jcheck/conf
>