Remove unused legacy clang-2629532 and other binaries.

The Windows branch missed a few of the past cleanups, so this change is
resolving that. Only the necessary components will remain.

Change-Id: I112a1b77de937da4bc82ac5f5501147e03c67934
494 files changed
tree: ab7bb96250a5ea6e27f8fbd31fb54369290b3202
  1. clang-2812033/