RFR: 8326964: Remove Eclipse Shared Workspaces

[Julian Waters]

WIP

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Commit messages:
 - 8326964

Changes: https://git.openjdk.org/jdk/pull/18046/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18046&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326964
  Stats: 3 lines in 1 file changed: 0 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18046.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18046/head:pull/18046

PR: https://git.openjdk.org/jdk/pull/18046