RFR (JAXP): 8132091: Clean up JAXP code that has dependency on Java version string

[Mandy Chung]

> On Dec 3, 2015, at 11:06 AM, huizhe wang <huizhe.wang at oracle.com> wrote:
> 
> Hi,
> 
> This is a clean-up of the code in jaxp that had depended on Java version string. This code came from JAXP standalone that no longer exists.
> 
> jbs: https://bugs.openjdk.java.net/browse/JDK-8132091
> webrev: http://cr.openjdk.java.net/~joehw/jdk9/8132091/webrev/

Looks good.

Mandy