Remove dead link for EverMemo

Author: ReadmeCritic

categories/productivity.md

@@ -29,7 +29,7 @@ App Name                   | Describe                  | Major Language
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 App Name                   | Describe                  | Major Language             | Download 
 :------------------------: | :------------------------ | :------------------------: | :------------------------:  
-[EverMemo](https://github.com/daimajia/EverMemo) | Fast Record, Organize and Share. The android memo app you will deeply love. ❤ http://mudlab9.com/ | Java | [![Get it on Google Play](http://i.imgur.com/7sq06lr.png)](https://play.google.com/store/apps/details?id=com.zhan_dui.evermemo)  
+[EverMemo](https://github.com/daimajia/EverMemo) | Fast Record, Organize and Share. The android memo app you will deeply love. ❤  | Java | [![Get it on Google Play](http://i.imgur.com/7sq06lr.png)](https://play.google.com/store/apps/details?id=com.zhan_dui.evermemo)  
 [EarthViewer](https://github.com/PDDStudio/earthview-android) | Showcase for earthview-android library and a wallpaper application together in one. | Java | [![Get it on Google Play](http://i.imgur.com/7sq06lr.png)](https://play.google.com/store/apps/details?id=com.pddstudio.earthviewer)
 
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