refactor(ast/estree): remove custom serializer for Elision

[overlookmotel]

Remove ElisionConverter custom serializer. Just use Null instead.

[overlookmotel]

• refactor(ast/estree): remove custom serializer for Elision #10965 👈 (View in Graphite)
• refactor(ast/estree): simplify custom serializers for FormalParameters #10964
• main

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[overlookmotel]

Merge activity

• May 12, 8:21 AM EDT: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• May 12, 8:29 AM EDT: overlookmotel added this pull request to the Graphite merge queue.
• May 12, 8:39 AM EDT: Merged by the Graphite merge queue.

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #10965 will not alter performance

_{Comparing 05-12-refactor_ast_estree_remove_custom_serializer_for_elision_ (08f1f3f) with main (d01a47b)}

Summary

✅ 36 untouched benchmarks