[8u20] Request for approval:8039368 Remove testcase from npt utf.c

[Dmitry Samersoff]

Please approve the fix.

Test case shouldn't be compiled by default.

webrev:

http://cr.openjdk.java.net/~vkempik/8039368/webrev.01/

JDK9 changeset

http://hg.openjdk.java.net/jdk9/dev/jdk/rev/0b2627ad873c

-Dmitry

-- 
Dmitry Samersoff
Oracle Java development team, Saint Petersburg, Russia
* I would love to change the world, but they won't give me the sources.