doc: remove "note that" from fs.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/fs.md

@@ -3635,8 +3635,8 @@ conditions, `fs.write()` may write only part of the buffer and will need to be
 retried to write the remaining data, whereas `fs.writeFile()` will retry until
 the data is entirely written (or an error occurs).
 
-Since the implications of this are a common source of confusion, note that in
-the file descriptor case the file is not replaced! The data is not necessarily
+The implications of this are a common source of confusion. In
+the file descriptor case, the file is not replaced! The data is not necessarily
 written to the beginning of the file, and the file's original data may remain
 before and/or after the newly written data.