feat(ast, span, syntax, regular_expression)!: remove ContentHash

[overlookmotel]

#8483 removed codegen-ed impls of ContentHash for AST nodes, because ContentHash is not useful. Complete the removal by removing ContentHash trait definition, and all remaining references to it.

[overlookmotel]

• feat(ast, span, syntax, regular_expression)!: remove ContentHash #8512 👈 (View in Graphite)
• main

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[Boshen]

Merge activity

• Jan 15, 10:00 AM EST: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jan 15, 10:01 AM EST: A user added this pull request to the Graphite merge queue.
• Jan 15, 10:06 AM EST: A user merged this pull request with the Graphite merge queue.

[codspeed-hq]

CodSpeed Performance Report

Merging #8512 will not alter performance

_{Comparing 01-15-feat_ast_span_syntax_regular_expression_remove_contenthash_ (7066d1c) with main (a368726)}

Summary

✅ 32 untouched benchmarks