doc: remove redundant backquote which breaks sentence

PR-URL: #51904
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: theanarkh <theratliter@gmail.com>
Reviewed-By: Qingyu Deng <i@ayase-lab.com>

doc/api/esm.md

@@ -397,7 +397,7 @@ changes:
     - v20.6.0
     - v18.19.0
     pr-url: https://github.com/nodejs/node/pull/49028
-    description: Unflag `import.meta.resolve``, with `parentURL` parameter still
+    description: Unflag `import.meta.resolve`, with `parentURL` parameter still
                  flagged.
   - version:
     - v20.6.0