Minor project cleanup by removing unused packages and files

[michelebastione]

This PR includes the following small changes:

• Removed unused System.Security.Cryptography.Xml package
• Removed some tests of questionable usefulness
• Refactored benchmarks sample data
• Updated .gitattribtues to treat all tests data files as binary data

Summary by CodeRabbit

Summary by CodeRabbit

• Tests

  • Removed several large-file performance/memory and shared-string caching tests.
  • Removed an unused test model.

• Benchmarks

  • Updated benchmark input/template paths to consistently use the data/ directory.
  • Adjusted benchmark fixture copying/output handling to match the new paths.

• Chores

  • Updated repository file handling rules for .slnx files and test fixture diffs.
  • Removed an unused test-project dependency.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 22cda8eb-ce04-46ad-a7dd-ccfd94049d79

📥 Commits

Reviewing files that changed from the base of the PR and between 93b35f9 and bd7a5b0.

📒 Files selected for processing (2)

• benchmarks/MiniExcel.Benchmarks/BenchmarkBase.cs
• benchmarks/MiniExcel.Benchmarks/BenchmarkSections/TemplateExcelBenchmark.cs

🚧 Files skipped from review as they are similar to previous changes (1)

• benchmarks/MiniExcel.Benchmarks/BenchmarkBase.cs

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📝 Walkthrough

Walkthrough

Benchmark fixture paths now use the data directory, repository attributes classify solution and test-data files, and obsolete large-file tests, a test model, and a package reference were removed.

Changes

Fixture and test cleanup

Layer / File(s)	Summary
Repository fixture attributes .gitattributes	.slnx files use text handling with union merges, while tests/data/** is marked binary.
Benchmark data paths benchmarks/MiniExcel.Benchmarks/...	Benchmark inputs and templates now reference files under data/; one unchanged OpenXML expression was reformatted.
Test suite cleanup tests/MiniExcel.OpenXml.Tests/...	Large-file and shared-string tests, the DemoPocoHelloWorld model, and the System.Security.Cryptography.Xml package reference were removed.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title matches the main cleanup theme and accurately reflects the removal of unused packages and files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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_{Comment @coderabbitai help to get the list of available commands.}

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@benchmarks/MiniExcel.Benchmarks/BenchmarkBase.cs`:
- Line 5: Make the benchmark fixture paths portable by replacing Windows-style
backslashes with forward slashes or Path.Combine in BenchmarkBase.FilePath and
both fixture path usages in TemplateExcelBenchmark at lines 40 and 59; preserve
the existing relative locations and filenames.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: db0cda7f-b9ad-42dc-a37b-0d6bfd11e35c

📥 Commits

Reviewing files that changed from the base of the PR and between 3c6fd59 and dc8538a.

⛔ Files ignored due to path filters (9)

• benchmarks/MiniExcel.Benchmarks/Test1,000,000x10.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/Test1,000,000x10_SharingStrings.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/data/Test10,000x10.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/data/Test100,000x10.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/data/Test100x10.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/data/Test10x10.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/data/TestTemplateBasicIEmumerableFill.xlsx is excluded by !**/*.xlsx
• benchmarks/MiniExcel.Benchmarks/data/TestTemplateBasicIEmumerableFill_ClosedXML_Report.xlsx is excluded by !**/*.xlsx
• tests/data/csv/TestLargeFile_1,000,000.csv is excluded by !**/*.csv

📒 Files selected for processing (9)

• .gitattributes
• benchmarks/MiniExcel.Benchmarks/BenchmarkBase.cs
• benchmarks/MiniExcel.Benchmarks/BenchmarkSections/CreateExcelBenchmark.cs
• benchmarks/MiniExcel.Benchmarks/BenchmarkSections/TemplateExcelBenchmark.cs
• benchmarks/MiniExcel.Benchmarks/MiniExcel.Benchmarks.csproj
• tests/MiniExcel.OpenXml.Tests/Main/MiniExcelOpenXmlImporterAsyncTests.cs
• tests/MiniExcel.OpenXml.Tests/Main/MiniExcelOpenXmlImporterTests.cs
• tests/MiniExcel.OpenXml.Tests/Main/Models.cs
• tests/MiniExcel.OpenXml.Tests/MiniExcel.OpenXml.Tests.csproj

💤 Files with no reviewable changes (4)

• tests/MiniExcel.OpenXml.Tests/MiniExcel.OpenXml.Tests.csproj
• tests/MiniExcel.OpenXml.Tests/Main/MiniExcelOpenXmlImporterAsyncTests.cs
• tests/MiniExcel.OpenXml.Tests/Main/Models.cs
• tests/MiniExcel.OpenXml.Tests/Main/MiniExcelOpenXmlImporterTests.cs