Revert "docs: temporary solution to bot protection"

This reverts commit 4578bda.

README.md

@@ -2,10 +2,6 @@
 
 [![CodeFactor](https://www.codefactor.io/repository/github/jacoblincool/leetcode-stats-card/badge)](https://www.codefactor.io/repository/github/jacoblincool/leetcode-stats-card)
 
-> [!IMPORTANT]  
-> At around 2024/03/07, LeetCode has employed a Cloudflare Bot Protection against requests from Cloudflare Workers.
-> As a temporary solution, this service is running on my own server. If you want to host it by yourself, please refer to the [Self-hosting](#self-hosting) section.
-
 Show your dynamically generated LeetCode stats on your GitHub profile or your website!
 
 LeetCode and LeetCode CN are both supported.