Remove broken preview hosts

youngqqcn · May 18, 2018 · 3854393 · 3854393
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commit 3854393
Showing 1 changed file with 0 additions and 6 deletions.
diff --git a/preface.md b/preface.md
@@ -12,12 +12,6 @@ Go语言圣经 [《The Go Programming Language》](http://gopl.io) 中文版本
 在线预览：
 
 - https://gopl-zh.shanyy.xyz
-- http://gopl-zh.simple-is-best.tk/
-- http://gopl-zh.b0.upaiyun.com/
-- http://docs.ruanjiadeng.com/gopl-zh/
-- http://shifei.me/gopl-zh/
-- http://2goo.info/media/html/gopl-zh-gh-pages/
-- http://docs.plhwin.com/gopl-zh/
 - https://docs.hacknode.org/gopl-zh/
 - http://books.studygolang.com/gopl-zh/