Revert "utility: Allow chromeos-tpm-recovery to return error."

This reverts commit dfcacc87bec544ab7b4ed8645f65876b471a1cd3 which breaks tpm2 systems where backup space is not yet defined.

Change-Id: I2e6e24ac24faaa980aa2dfaae2d801141fc49013
Reviewed-on: https://chromium-review.googlesource.com/413147
Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
1 file changed