perf(parse): Reduce overheasd from "trivia"

[epage]

ws_comment_newline was showing up in callgrind when dealing with a lot of features. While this had some impact on benchmarks, it wasn't super big.

[coveralls]

Pull Request Test Coverage Report for Build 10147085335

Details

• 11 of 11 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.07%) to 67.072%

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Totals
Change from base Build 10117749300:	0.07%
Covered Lines:	3693
Relevant Lines:	5506

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💛 - Coveralls