Revert "Update perf run yaml with changes for crank on helix (#90368)" (

#90424)

This reverts commit bbe40f8.

This caused perf pipeline runs to break. But dotnet/performance#3251 from @caaavik-msft, along with this revert will fix the issue.

Issue: #90420

eng/pipelines/coreclr/templates/run-performance-job.yml

@@ -162,11 +162,6 @@ jobs:
       displayName: Performance Setup (Unix)
       condition: and(succeeded(), ne(variables['Agent.Os'], 'Windows_NT'))
       continueOnError: ${{ parameters.continueOnError }}
-    - script: wget https://bootstrap.pypa.io/pip/3.6/get-pip.py && $(Python) get-pip.py --user
-      displayName: Ensure pip is installed (non-Windows)
-      condition: and(succeeded(), ne(variables['Agent.Os'], 'Windows_NT'))
-    - script: $(Python) -m pip install --user dataclasses
-      displayName: Install dataclasses library used in ci_setup.py
     - script: $(Python) $(PerformanceDirectory)/scripts/ci_setup.py $(SetupArguments) ${{ parameters.additionalSetupParameters }}
       displayName: Run ci setup script
       # Run perf testing in helix

eng/pipelines/coreclr/templates/run-scenarios-job.yml

@@ -131,11 +131,6 @@ jobs:
       condition: and(succeeded(), ne(variables['Agent.Os'], 'Windows_NT'))
       continueOnError: ${{ parameters.continueOnError }}
     # run ci-setup
-    - script: wget https://bootstrap.pypa.io/pip/3.6/get-pip.py && $(Python) get-pip.py --user
-      displayName: Ensure pip is installed (non-Windows)
-      condition: and(succeeded(), ne(variables['Agent.Os'], 'Windows_NT'))
-    - script: $(Python) -m pip install --user dataclasses
-      displayName: Install dataclasses library used in ci_setup.py
     - script: $(Python) $(PerformanceDirectory)\scripts\ci_setup.py $(SetupArguments) $(ExtraSetupArguments) --output-file $(WorkItemDirectory)\machine-setup.cmd
       displayName: Run ci setup script (Windows)
       condition: and(succeeded(), eq(variables['Agent.Os'], 'Windows_NT'))