RFR: proxy: remove dead code

[Erik Helin]

Hi all,

please review this trivial patch that removes some unused code. Thanks to
@pliden for noticing!

Testing:
- `make test` passes on Linux x64

Thanks,
Erik

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Commit messages:
 - proxy: remove dead code

Changes: https://git.openjdk.java.net/skara/pull/588/files
 Webrev: https://webrevs.openjdk.java.net/skara/588/webrev.00
  Stats: 26 lines in 1 file changed: 0 ins; 26 del; 0 mod
  Patch: https://git.openjdk.java.net/skara/pull/588.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/588/head:pull/588

PR: https://git.openjdk.java.net/skara/pull/588