add notice in PR template to indicate using crowdin for translation

.github/PULL_REQUEST_TEMPLATE.md

@@ -19,29 +19,23 @@
 - [ ] Others (Update, fix, translation, etc...)
   - Languages:
   - [ ] `en` English
-  - [ ] `ru` Russian
-  - [ ] `zh-cn` simplified Chinese
-  - [ ] `zh-tw` traditional Chinese
-  - [ ] `ja` Japanese
-
 
+<!--
 > **Note**
 >
-> No need to translate `ko`, `pt-br`, `th` languages if you submit a PR for documentation.
-
-> **Warning**
->
-> `ko`, `pt-br`, `th` languages document are inactive. Please, submit issue if you want to continuous contribution to them.
+> Now we use [Crowdin](https://crowdin.com/project/hexo) platform for translation, you should submit your translation there.
+> You don't need to submit the translation to github
+-->
 
-<!-- 
+<!--
     Thank you for publishing your work on Hexo site!
-    
-    If you also would like to become a Hexojs org memeber, here is the opportunity. Simply transfer your repo into Hexojs org, and you will become hexojs member. You could still be the repo admin, but also gain access to hexojs other repoes. 
-    
+
+    If you also would like to become a Hexojs org memeber, here is the opportunity. Simply transfer your repo into Hexojs org, and you will become hexojs member. You could still be the repo admin, but also gain access to hexojs other repoes.
+
     There are several benefits to do so:
     1. Become Hexojs org member, and gain access to all hexojs repos.
     2. Other Hexojs members could help to maintain issues and review PRs.
     3. More wait you to discover... :)
-    
+
     Please contact [email protected] if you are interested in this opportunity.
 -->