Remove UWP (uap) references and special cased code

[ErikEJ]

Some boy scouting on DataTestUtility (removed unused code)

fixes #2482

[JRahnama]

@ErikEJ personally, I support this pull request, but @David-Engel should include the conclusion.

[ErikEJ]

@JRahnama Of course!

[codecov]

Codecov Report

Attention: Patch coverage is 95.65217% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 72.73%. Comparing base (48ab625) to head (5959602).
Report is 2 commits behind head on main.

❗ Current head 5959602 differs from pull request most recent head 554a88f. Consider uploading reports for the commit 554a88f to get more accurate results

Files	Patch %	Lines
...c/Microsoft/Data/Interop/SNINativeMethodWrapper.cs	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2483      +/-   ##
==========================================
+ Coverage   72.68%   72.73%   +0.04%     
==========================================
  Files         313      313              
  Lines       61727    61718       -9     
==========================================
+ Hits        44867    44889      +22     
+ Misses      16860    16829      -31     

Flag	Coverage Δ
addons	92.88% <ø> (ø)
netcore	77.04% <94.11%> (+0.07%)	⬆️
netfx	70.43% <90.90%> (+0.03%)	⬆️

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[JRahnama]

LGTM, with just a minor adjustment. Thank you @ErikEJ .

[JRahnama]

@ErikEJ if you can address the conflict this is ready to merge.

[ErikEJ]

@JRahnama Which conflict?

[JRahnama]

@JRahnama Which conflict?

This is weird. I saw the conflict this morning 😆. Ignore my comment