Remove unused definitions, commented out code, etc.

[romanlutz]

Description

Title says it all. Just a small cleanup.

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.

[github-actions]

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

[codecov-commenter]

Codecov Report

Merging #1876 (30c8145) into main (64bb016) will decrease coverage by 0.52%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1876      +/-   ##
==========================================
- Coverage   90.64%   90.11%   -0.53%     
==========================================
  Files          46      112      +66     
  Lines        1881     5889    +4008     
==========================================
+ Hits         1705     5307    +3602     
- Misses        176      582     +406     

Flag	Coverage Δ
unittests	90.11% <ø> (-0.53%)	⬇️

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

Impacted Files	Coverage Δ
raiwidgets/raiwidgets/error_analysis_dashboard.py	72.41% <0.00%> (ø)
.../databalanceanalysis/aggregate_balance_measures.py	92.85% <0.00%> (ø)
...ponsibleai/responsibleai/rai_insights/constants.py	100.00% <0.00%> (ø)
...iwidgets/raiwidgets/explanation_dashboard_input.py	59.85% <0.00%> (ø)
...nsibleai/databalanceanalysis/data_balance_utils.py	100.00% <0.00%> (ø)
...onsibleai/_tools/shared/attribute_serialization.py	95.94% <0.00%> (ø)
...ponsibleai/responsibleai/_tools/causal/__init__.py	100.00% <0.00%> (ø)
raiwidgets/raiwidgets/error_handling.py	100.00% <0.00%> (ø)
...ai/responsibleai/_tools/error_analysis/__init__.py	100.00% <0.00%> (ø)
...sponsibleai/responsibleai/rai_insights/__init__.py	100.00% <0.00%> (ø)
... and 56 more

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[github-actions]

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

[github-actions]

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

[github-actions]

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

[github-actions]

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