Deprecate unused cryptohome functions

BUG=chromium-os:16552
TEST=gmerge libcros

Change-Id: I42de2390f84ff2fc4abd8a74c050fd1223d8d434
Reviewed-on: https://gerrit.chromium.org/gerrit/15310
Commit-Ready: Ryo Hashimoto <[email protected]>
Tested-by: Ryo Hashimoto <[email protected]>
Reviewed-by: Satoru Takabayashi <[email protected]>
3 files changed