Remove datatables.net compatible code.

[maliming]

Related #22138

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 51.85%. Comparing base (2fb1d15) to head (9bb9573).
Report is 35 commits behind head on rel-9.0.

Files with missing lines	Patch %	Lines
...es/DatatablesNet/DatatablesNetScriptContributor.cs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           rel-9.0   #22159      +/-   ##
===========================================
- Coverage    51.85%   51.85%   -0.01%     
===========================================
  Files         3174     3175       +1     
  Lines       101816   101831      +15     
  Branches      7710     7711       +1     
===========================================
+ Hits         52797    52804       +7     
- Misses       47401    47408       +7     
- Partials      1618     1619       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.