[phobos] [D-Programming-Language/phobos] 2e5cf6: remove groupBy

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 2e5cf6b9ca6fef7e7b6945c8fa23302d6bbee4e0
      https://github.com/D-Programming-Language/phobos/commit/2e5cf6b9ca6fef7e7b6945c8fa23302d6bbee4e0
  Author: Martin Nowak <code at dawg.eu>
  Date:   2015-05-26 (Tue, 26 May 2015)

  Changed paths:
    M std/algorithm/iteration.d

  Log Message:
  -----------
  remove groupBy

- accidentally added in 2.067.0
- replaced by compat alias to chunkBy in 2.067.1


  Commit: a39803d7e4b28e0d72e72beb3d72c87710b43f3e
      https://github.com/D-Programming-Language/phobos/commit/a39803d7e4b28e0d72e72beb3d72c87710b43f3e
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2015-05-25 (Mon, 25 May 2015)

  Changed paths:
    M std/algorithm/iteration.d

  Log Message:
  -----------
  Merge pull request #3312 from MartinNowak/rmGroupBy

remove groupBy


Compare: https://github.com/D-Programming-Language/phobos/compare/75f068773ccc...a39803d7e4b2