Remove stale SpecParser default comments from test-table-modes.ts

[Copilot]

Summary

• Remove inline comments in test-table-modes.ts that incorrectly stated omitting allowedTables defaults to RUNTIME_REQUIRED_TABLES — this is no longer true after the SpecParser update in Extract metadata table and add visualizer #142 (omitting allowedTables now parses all resolvable x-resourceId entries)
• Update the all_projected block comment to accurately describe current behavior
• Remove stale fallback note in the else branch that referenced the old default

Related

• Addresses feedback on Extract metadata table and add visualizer #142

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