Use UTF-8 without BOM for SyntaxPrinter

[tobias-tengler]

• Writes schema to output stream using UTF-8 without BOM encoding
• Fixes snapshots impacted by this change
• Also removes some unused snapshot files

Closes #4912

[michaelstaib]

@tobias-tengler do not worry about the tests, we are on it .... we should be green again by next week.

[tobias-tengler]

Resolved all of the test failures that were caused by this change. So this should be good to go! :)

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[CLAassistant]

All committers have signed the CLA.

[tobias-tengler]

I think this would still be valuable.

[github-actions]

Qodana for .NET

It seems all right 👌

No new problems were found according to the checks applied

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bb04265) 70.68% compared to head (14b096a) 70.56%.

❗ Current head 14b096a differs from pull request most recent head d180c32. Consider uploading reports for the commit d180c32 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4925      +/-   ##
==========================================
- Coverage   70.68%   70.56%   -0.12%     
==========================================
  Files        2499     2485      -14     
  Lines      126165   125529     -636     
==========================================
- Hits        89175    88585     -590     
+ Misses      36990    36944      -46     

Flag	Coverage Δ
unittests	70.56% <100.00%> (-0.12%)	⬇️

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