chore(style,grammar): remove indirection for punctuation (#236)

Most tree-sitter styles do not use indirection for anonymous nodes as it
impacts readabilityj:

https://github.com/tree-sitter/tree-sitter-rust/blob/261b20226c04ef601adbdf185a800512a5f66291/grammar.js#L249-L262

This PR is a style proposal so discussion is welcome/expected

Author: mkatychev

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
         with:
           generate: false
           test-rust: true
-          test-node: true
+          test-node: false
           test-python: true
           test-go: true
           test-swift: false