Use resfo-utilities SummaryReader for view_summary

[eivindjahren]

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[Copilot]

Pull Request Overview

This PR migrates the view_summary package to use the external resfo-utilities library instead of maintaining its own implementation of summary parsing functionality. The migration consolidates code by removing local implementations and relying on the external library for summary file reading, key type identification, and summary key generation.

Key changes:

• Replaced local resfo usage with resfo-utilities library's SummaryReader API
• Removed local implementations of summary_key_type.py, summary_generator.py, and egrid_generator.py files
• Updated exception handling from resfo.ResfoParsingError to InvalidSummaryError

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
test_requirements.txt	Adds resfo-utilities[testing]>=0.2.0 dependency for test utilities
setup.py	Replaces resfo dependency with resfo-utilities>=0.2.0
python/view_summary/summary_key_type.py	Entire file removed as functionality moved to resfo-utilities
python/view_summary/main.py	Refactored to use SummaryReader API instead of direct resfo parsing
python/tests/test_view_summary.py	Updated imports and test expectations for new library
python/tests/test_summary_key_type.py	Simplified tests to only verify compatibility with resdata
python/tests/summary_generator.py	Removed as testing utilities now provided by resfo-utilities
python/tests/egrid_generator.py	Removed as no longer needed
python/tests/rd_tests/test_rd_sum.py	Updated imports to use resfo-utilities.testing
.github/workflows/testing.yml	Removed doctest execution for removed module

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