Revert "LAKITU: Skip cleaning i686-pc-linux-gnu for bootstrapping"

This reverts commit c4fecbc4851d696d4cbf892528225dcaf7cc4447.

BUG=b/257271340
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ib2d17b5bd1f1a2ad6f49292d1ff260b0b602dff0
Reviewed-on: https://cos-review.googlesource.com/c/third_party/platform/crosutils/+/41085
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Dexter Rivera <riverade@google.com>
diff --git a/chroot_version_hooks.d/201_remove_i686-pc-linux-gnu b/chroot_version_hooks.d/201_remove_i686-pc-linux-gnu
index 33e75a0..62fc983 100644
--- a/chroot_version_hooks.d/201_remove_i686-pc-linux-gnu
+++ b/chroot_version_hooks.d/201_remove_i686-pc-linux-gnu
@@ -5,5 +5,4 @@
 # The i686-pc-linux-gnu toolchain was renamed to i686-cros-linux-gnu, so delete
 # the old toolchain.
 # https://issuetracker.google.com/issues/187786439
-# lakitu: skip this hook for bootstrapping
-# sudo crossdev --force -C i686-pc-linux-gnu
+sudo crossdev --force -C i686-pc-linux-gnu