[D-runtime] [D-Programming-Language/druntime] 50631f: remove bad comment

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 50631f3ec7b985b2ed4ce0a0001f08bcb61a094f
      https://github.com/D-Programming-Language/druntime/commit/50631f3ec7b985b2ed4ce0a0001f08bcb61a094f
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-10-06 (Sat, 06 Oct 2012)

  Changed paths:
    M src/core/stdc/stdarg.d

  Log Message:
  -----------
  remove bad comment