refactor(codegen): Do not print useless comma for TSEnumMember

[leaysgur]

Current output:

enum X {A,B,}
//         ^

With this PR:

enum X {A,B}

[graphite-app]

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #10213 will degrade performances by 3.32%

_{Comparing refactor-codegen-tsenummember (4b7060f) with main (778b044)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 34 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	formatter[antd.js]	7.9 ms	7.6 ms	+3.88%
❌	formatter[typescript.js]	7.2 ms	7.4 ms	-3.32%