llvm_tools: remove 4c scripts

4c was turned down, so these scripts no longer have a purpose.

BUG=b:293166552
TEST=None

Change-Id: Ic2589c5c31cd6f6fd1af7501669bd2c663322c09
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/4729352
Commit-Queue: Ryan Beltran <ryanbeltran@chromium.org>
Tested-by: George Burgess <gbiv@chromium.org>
Reviewed-by: Ryan Beltran <ryanbeltran@chromium.org>
Auto-Submit: George Burgess <gbiv@chromium.org>
4 files changed