Remove RSS feed from luolei's blog entry

Removed RSS feed link from blog entry.

Author: JavaProgrammerLB

src/assets/blogs.json

@@ -562,7 +562,6 @@
     "url": "https://luolei.org/",
     "describe": "经常跑步的程序员",
     "avatar": "avatar.webp",
-    "feed": "https://luolei.org/rss",
     "like": [
       {
         "title": "马拉松 | 2016深圳国际马拉松",