docs(transformer/class-properties): remove oudated todo #23659

Job	Run time
Benchmark (lexer)	1m 19s
Benchmark (parser)	1m 31s
Build Linter Benchmark	2m 45s
Benchmark (transformer)	2m 17s
Benchmark (isolated_declarations)	2m 12s
Benchmark (semantic)	1m 55s
Benchmark (minifier)	2m 0s
Benchmark (codegen)	1m 29s
Benchmark linter (0)	3m 8s
Benchmark linter (1)	1m 33s
Upload benchmarks	16s
	20m 25s

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