RFR: 6665: .project files still exist for removed platform definitions

[Jie Kang]

Removes the .project files that remain in the directories. See https://github.com/openjdk/jmc/commit/423e72db602667b72ac924d1178301253321cbd1 for the removal of the platform definitions.

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Commits:
 - 0c5147e5: 6665: .project files still exist for removed platform definitions

Changes: https://git.openjdk.java.net/jmc/pull/25/files
 Webrev: https://webrevs.openjdk.java.net/jmc/25/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JMC-6665
  Stats: 68 lines in 4 files changed: 0 ins; 68 del; 0 mod
  Patch: https://git.openjdk.java.net/jmc/pull/25.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/25/head:pull/25

PR: https://git.openjdk.java.net/jmc/pull/25