Revert "scons: Add instrumentation component libraries to linking on llvm-3.2."
Revert "scons: Add instrumentation component libraries to linking on llvm-3.2."

This reverts commit e2e7b467d8a6567437823767af74004a396f1c82.

No longer needed after llvm-3.2svn r160611.

Signed-off-by: Vinson Lee <25a259f709b0f1b620605d2518271a846d8826e5@freedesktop.org>

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