Comment out PFC priority group map test case configuration

[stalabi1]

SUMMARY

I commented out PFC priority group map test case configuration since the configuration is only supported on certain platforms.

ISSUE TYPE

• Test Pull Request

COMPONENT NAME

sonic_qos_maps

OUTPUT

regression-2024-06-11-10-14-49.html.pdf

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have maintained backward compatibility or have provided any relevant "breaking_changes" descriptions in a "fragment" file in the "changelogs/fragments" directory of this repository.
• I have provided a summary for this PR in valid "fragment" file format in the "changelogs/fragments" directory of this repository branch. Reference : Ansible Change Log Document

[kerry-meyer]

Thank you for making this adjustment to match the SONiC implementation.

Approved.