tools: simplify eslint comma-dangle configuration

Remove comma-dangle settings in benchmark/.eslintrc.yaml as they are the
same as what is set in .eslintrc.js.

PR-URL: https://github.com/nodejs/node/pull/37850
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

benchmark/.eslintrc.yaml

@@ -6,10 +6,4 @@ env:
 
 rules:
   no-var: error
-  comma-dangle:
-    - error
-    - arrays: 'always-multiline'
-      objects: 'only-multiline'
-      imports: 'only-multiline'
-      exports: 'only-multiline'
   prefer-arrow-callback: error