RFR: 8326964: Remove Eclipse Shared Workspaces [v2]

[Julian Waters]

> WIP

Julian Waters has updated the pull request incrementally with one additional commit since the last revision:

  Remove shared targets

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/18046/files
  - new: https://git.openjdk.org/jdk/pull/18046/files/aefff3e8..0d29a355

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18046&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18046&range=00-01

  Stats: 20 lines in 1 file changed: 0 ins; 20 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