Fix for JDK-8259864 Remove java and native files that are not used/maintained in prism configurations.
------------- Commit messages: - Remove unused prism files. Changes: https://git.openjdk.java.net/jfx/pull/378/files Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=378&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8259864 Stats: 2060 lines in 19 files changed: 0 ins; 2059 del; 1 mod Patch: https://git.openjdk.java.net/jfx/pull/378.diff Fetch: git fetch https://git.openjdk.java.net/jfx pull/378/head:pull/378 PR: https://git.openjdk.java.net/jfx/pull/378
