doc: remove "note that" from errors.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>

Author: Trott

doc/api/errors.md

@@ -634,7 +634,7 @@ An attempt was made to register something that is not a function as an
 <a id="ERR_ASYNC_TYPE"></a>
 ### ERR_ASYNC_TYPE
 
-The type of an asynchronous resource was invalid. Note that users are also able
+The type of an asynchronous resource was invalid. Users are also able
 to define their own types if using the public embedder API.
 
 <a id="ERR_BROTLI_COMPRESSION_FAILED"></a>