doc: remove "note that" from writing-and-running-benchmarks.md

Refs: nodejs/remark-preset-lint-node#16

PR-URL: #28329
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

doc/guides/writing-and-running-benchmarks.md

@@ -352,7 +352,7 @@ The arguments of `createBenchmark` are:
 * `configs` {Object} The benchmark parameters. `createBenchmark` will run all
   possible combinations of these parameters, unless specified otherwise.
   Each configuration is a property with an array of possible values.
-  Note that the configuration values can only be strings or numbers.
+  The configuration values can only be strings or numbers.
 * `options` {Object} The benchmark options. At the moment only the `flags`
   option for specifying command line flags is supported.
 
@@ -400,7 +400,7 @@ const options = {
 // `main` and `configs` are required, `options` is optional.
 const bench = common.createBenchmark(main, configs, options);
 
-// Note that any code outside main will be run twice,
+// Any code outside main will be run twice,
 // in different processes, with different command line arguments.
 
 function main(conf) {