RFR(XS): 8044495: Remove test demo/jvmti/mtrace/TraceJFrame.java

[Mikael Auno]

Hi,

Could I please have a review of this small fix, removing the test
TraceJFrame.java.

webrev: http://cr.openjdk.java.net/~miauno/8044495/webrev.00/
bug: https://bugs.openjdk.java.net/browse/JDK-8044495

This test was created a long, long time ago as it reportedly had been
very slow to "step into the first JFrame" in the early stages of JDK
1.5. Thus, it times how long it takes to create that first JFrame while
tracing, and then seemingly ignores the result and returns PASS. During
its life time, however, we've had lots and lots of failures in this test
due to non-existent or misconfigured X11 displays. As such, we believe
we're better off without it.

Thanks,
Mikael