RFR: 1128: mailing list thread comments aren't being registered in github PR

[Shahinshah Mohammed Kannu Rawther]

Reverting changes of 1058 @kevinrushforth

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Commit messages:
 - 1128: mailing list thread comments aren't being registered in github PR

Changes: https://git.openjdk.java.net/skara/pull/1208/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=1208&range=00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-1128
  Stats: 38 lines in 10 files changed: 18 ins; 9 del; 11 mod
  Patch: https://git.openjdk.java.net/skara/pull/1208.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/1208/head:pull/1208

PR: https://git.openjdk.java.net/skara/pull/1208