RFR: JDK-8259718 Remove the Marlin rasterizer (single-precision)

[Laurent Bourgès]

Changes:
- Removed single-precision Marlin renderer
-  class name refactoring
- fix prism
- copyright year

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Commit messages:
 - Removed single-precision Marlin renderer + class name refactoring + fix prism + copyright year

Changes: https://git.openjdk.java.net/jfx/pull/379/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=379&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259718
  Stats: 10875 lines in 32 files changed: 6 ins; 9689 del; 1180 mod
  Patch: https://git.openjdk.java.net/jfx/pull/379.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/379/head:pull/379

PR: https://git.openjdk.java.net/jfx/pull/379