Remove pip pinning to unblock RAI gates

[gaugup]

Description

Checklist

• I have added screenshots above for all UI changes.
• I have added e2e tests for all UI changes.
• Documentation was updated if it was needed.

[codecov-commenter]

Codecov Report

Merging #1826 (49cdd0c) into main (2de81d5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1826   +/-   ##
=======================================
  Coverage   88.54%   88.54%           
=======================================
  Files          96       96           
  Lines        5481     5481           
=======================================
  Hits         4853     4853           
  Misses        628      628           

Flag	Coverage Δ
unittests	88.54% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/RemovePIPPinning/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/RemovePIPPinning/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/RemovePIPPinning/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/RemovePIPPinning/dashboard/index.html

[romanlutz]

What was the original reason this was put in the code?