Remove pm-graph from SRU test plans (bugfix)

[jocave]

Removes pm-graph tests from SRU server plan from where it is inherited by the plan used for desktop machines.

Description

pm-graph has been described as "designed with single user mode not graphics multi-user mode" and it is found to often block test session completion which slows ability to approve kernels.

If this is needed for any specific benchmarking reasons it needs to be made more reliable on all machines that run the test plan and potential run separately from SRU

Also note that this does not remove pm-graph from the Certification test plans.

Resolved issues

Documentation

Tests

[pieqq]

+1, this is a discussion that has been brewing also with SW enablement team. Thanks!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.38%. Comparing base (ec16636) to head (8550286).
Report is 116 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1244   +/-   ##
=======================================
  Coverage   43.38%   43.38%           
=======================================
  Files         357      357           
  Lines       38686    38686           
  Branches     6561     6561           
=======================================
  Hits        16784    16784           
  Misses      21238    21238           
  Partials      664      664           

Flag	Coverage Δ
provider-sru	100.00% <ø> (ø)

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