Don't check BIOS vendor in hardware_Components test.

Since the BIOS firmware is covered by RO hash and RW version. This
check is not necessary. And this check needs DMI support of BIOS.
Removing it can reduce the DMI support of BIOS.

Change-Id: I5391efc8b7e3654e9f462f4d6a7323cca20cf237

Review URL: http://codereview.chromium.org/3217005
3 files changed