Update filtering skill up page

[vinnamkim]

Summary

• This is a left-over from Add Filtering via User-Provided Python Functions #1230

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2023 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cfb6832) 80.48% compared to head (e163d59) 80.48%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1233   +/-   ##
========================================
  Coverage    80.48%   80.48%           
========================================
  Files          269      269           
  Lines        29994    29994           
  Branches      5857     5857           
========================================
+ Hits         24141    24142    +1     
  Misses        4489     4489           
+ Partials      1364     1363    -1     

Flag	Coverage Δ
macos-11_Python-3.8	?
ubuntu-20.04_Python-3.8	80.46% <ø> (ø)
windows-2022_Python-3.8	80.45% <ø> (+<0.01%)	⬆️

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[sooahleex]

Looks good to me