bisect-kit: always query DUTs from the given pool

We shouldn't use fizz-labstation devices at all.

BUG=b:185868763
TEST=./cros_helper.py allocate_dut --session fizz --model kench --version_hint R91-13899.0.0,R92-13917.0.0 --builder_hint fizz-cfm

Change-Id: I2281a81b6a7774c9d1046ebada6705829cbeacc7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bisect-kit/+/2841993
Tested-by: Kuang-che Wu <kcwu@chromium.org>
Auto-Submit: Kuang-che Wu <kcwu@chromium.org>
Commit-Queue: Zheng-Jie Chang <zjchang@chromium.org>
Reviewed-by: Zheng-Jie Chang <zjchang@chromium.org>
1 file changed