RFR: 8416: Better Eclipse classpath entry defaults [v2]

[Marcus Hirt]

> Should be pom derived.

Marcus Hirt has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains two new commits since the last revision:

 - Removing explicit runtime versions
 - 8416: Better classpath defaults

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Changes:
  - all: https://git.openjdk.org/jmc/pull/663/files
  - new: https://git.openjdk.org/jmc/pull/663/files/9f94fc4a..154d4bed

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jmc&pr=663&range=01
 - incr: https://webrevs.openjdk.org/?repo=jmc&pr=663&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jmc/pull/663.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/663/head:pull/663

PR: https://git.openjdk.org/jmc/pull/663