Testing: Remove K80 from the GPU tests

[LujieDuan]

Description

Remove NVIDIA K80 GPU model from the GPU tests.

All NVIDIA PCI devices use vendor id 0x10de. 10de:102d is the unique device ID for NVIDIA K80.

Related issue

b/339704007
b/339826922

How has this been tested?

Focal was the only platform running K80 tests. Verified that the tests are not longer run for Focal.

Checklist:

• Unit tests
  • Unit tests do not apply.
  • Unit tests have been added/modified and passed for this PR.
• Integration tests
  • Integration tests do not apply.
  • Integration tests have been added/modified and passed for this PR.
• Documentation
  • This PR introduces no user visible changes.
  • This PR introduces user visible changes and the corresponding documentation change has been made.
• Minor version bump
  • This PR introduces no new features.
  • This PR introduces new features, and there is a separate PR to bump the minor version since the last release already.
  • This PR bumps the version.

[franciscovalentecastro]

LGTM!