hg: panama/panama/jdk: Moved troubled demo to scratch for now

[henry.jen at oracle.com]

Changeset: 60c7126d160a
Author:    henryjen
Date:      2016-04-01 19:02 -0700
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/60c7126d160a

Moved troubled demo to scratch for now

- src/demo/share/panama/Panama/Fprintf.java
- src/demo/share/panama/Panama/PrintfCivilized.java