Revert "[FormData] 번역 - line171(#1232)"

This reverts commit d4db3e7.

Author: Violet-Bora-Lee

5-network/02-formdata/article.md

@@ -168,7 +168,7 @@ The server reads form data and the file, as if it were a regular form submission
 
 [FormData](https://xhr.spec.whatwg.org/#interface-formdata) 객체는 `fetch` 등의 네트워크 메서드를 통해 HTML 폼을 보내는데 사용됩니다.
 
-`FormData` °´Ã¼´Â HTML Æû(`form`)À» Á÷Á¢ ³Ñ°Ü `new FormData(form)`À¸·Î ¸¸µé ¼öµµ ÀÖ°í, HTML Æû ¾øÀÌ ´ÙÀ½°ú °°Àº ¸Þ¼­µå·Î Çʵ带 Ãß°¡ÇØ ¸¸µé ¼öµµ ÀÖ½À´Ï´Ù.
+We can either create `new FormData(form)` from an HTML form, or create a object without a form at all, and then append fields with methods:
 
 - `formData.append(name, value)`
 - `formData.append(name, blob, fileName)`