RFR: JDK-8254795: Remove obsolete template files

[Jonathan Gibbons]

Not so much a "blast from the past" but a whiff of an odor.

Memories of an earlier time long ago, whose time is past.

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Commit messages:
 - JDK-8254795: Remove obsolete template files

Changes: https://git.openjdk.java.net/jdk/pull/668/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=668&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8254795
  Stats: 123 lines in 2 files changed: 0 ins; 123 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/668.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/668/head:pull/668

PR: https://git.openjdk.java.net/jdk/pull/668