Remove ORC from Iceberg module

[ahmedabu98]

It's not a widely used format, and it's pulling in CVEs that require an ORC version beyond what Iceberg's latest version uses.

[ahmedabu98]

R: @kennknowles

[gemini-code-assist]

Summary of Changes

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This pull request streamlines the Apache Iceberg module by completely removing support for the ORC file format. This change is driven by the format's low adoption within the module and the presence of security vulnerabilities (CVEs) in its associated dependencies. By eliminating ORC, the project reduces its attack surface, simplifies dependency management, and maintains a more focused and secure codebase.

Highlights

• Deprecation of ORC Format Support: The ORC (Optimized Row Columnar) file format support has been completely removed from the Iceberg module.
• Security and Maintenance Improvement: This removal addresses security vulnerabilities (CVEs) associated with ORC dependencies and streamlines the codebase by eliminating support for a rarely used format.
• Build and Codebase Simplification: ORC-related dependencies, imports, and code paths have been entirely removed from the Iceberg module's build configuration and source files.

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[kennknowles]

If it turns out someone wants it, we can switch to a serviceloader architecture or something like that so it can be a separate dependency.