Revert "cryptohome: Make SanitizeUserName() compatible with cryptohome"

This reverts commit 6662de05b47125f5d75e03b8ffa8441905c9aafa.
login_manager/device_local_policy_service.cc depends on the hashes, so
this will need to be relanded when migration code is ready.

BUG=chromium-os:38444
TEST=n/a

Signed-off-by: Will Drewry <wad@chromium.org>
Change-Id: Iabd51d743aa439a29c09429ae6f201d0a7d17d5b
Reviewed-on: https://gerrit.chromium.org/gerrit/43921
Reviewed-by: Elly Jones <ellyjones@chromium.org>
1 file changed