doc: fix linting in doc-style-guide.md

Disable lint checks (enable prohibited-strings remark-lint) for
doc-style-guide.md:66. This was producing lint errors in builds
on master.

PR-URL: #33787
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

Author: rexagod

doc/guides/doc-style-guide.md

@@ -61,11 +61,11 @@
   <!-- lint disable prohibited-strings remark-lint-->
   * NOT OK: It is important to note that, in all cases, the return value will be
     a string regardless.
-  <!-- lint enable prohibited-strings remark-lint-->
 * When referring to a version of Node.js in prose, use _Node.js_ and the version
   number. Do not prefix the version number with _v_ in prose. This is to avoid
   confusion about whether _v8_ refers to Node.js 8.x or the V8 JavaScript
   engine.
+  <!-- lint enable prohibited-strings remark-lint-->
   * OK: _Node.js 14.x_, _Node.js 14.3.1_
   * NOT OK: _Node.js v14_