Update README.md

Author: Hangyeol Shin

README.md

@@ -42,6 +42,3 @@ SnowyJS will help you use the beautiful snowing effect very simply!
 - Angle range fix
 - Refactoring frequency process to `requestAnimationFrame`
 
-
-## Post
-[오픈소스 맨 땅에 헤딩 SnowyJS 1화 (부제: Velog 메인에 눈내리기) | 2020-11-23](https://velog.io/@neulhan/%EC%98%A4%ED%94%88%EC%86%8C%EC%8A%A4-%EB%A7%A8-%EB%95%85%EC%97%90-%ED%97%A4%EB%94%A9-SnowyJS-1-N-feat-Velog-%EB%A9%94%EC%9D%B8%EC%97%90-%EB%88%88%EB%82%B4%EB%A6%AC%EA%B8%B0)