RFR: 8356208: Remove obsolete code in PSPrinterJob for plugin printing [v2]

[Phil Race]

> Delete the obsolete classes PluginPrinter and EPSPrinter. They were only ever called by the Java Plugin printing for applets.

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8356208

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/25047/files
  - new: https://git.openjdk.org/jdk/pull/25047/files/1981c859..608deb19

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25047&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25047&range=00-01

  Stats: 54 lines in 1 file changed: 0 ins; 53 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25047.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25047/head:pull/25047

PR: https://git.openjdk.org/jdk/pull/25047