docs(sponsors): remove salt.bountysource.com

docs/cn/sponsors.md

@@ -9,7 +9,6 @@ lang: zh
 如果你想赞助 SpaceVim，或者希望 SpaceVim 开发得更快一点，也许你可以给我买杯咖啡：
 
 - [通过 opencollective 捐助](https://opencollective.com/spacevim)
-- [通过 Bountysource 捐助](https://salt.bountysource.com/teams/spacevim)
 
 <a href='https://ko-fi.com/SpaceVim' target='_blank'><img height='36' style='border:0px;height:36px;' src='https://az743702.vo.msecnd.net/cdn/kofi4.png?v=f' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
 

docs/sponsors.md

@@ -18,7 +18,6 @@ If you use SpaceVim in your daily work and feel that it has made your life easie
 please consider supporting SpaceVim by:
 
 - [Become a backer on opencollective](https://opencollective.com/spacevim)
-- [Become a backer on Bountysource](https://salt.bountysource.com/teams/spacevim)
 
 Also, you can buy me a coffee via ko-fi.com or wechat:
 

wiki/en/Support-SpaceVim.md

@@ -1,6 +1,6 @@
 The best way to support SpaceVim is to contribute to it either by reporting bugs, helping the community on the Gitter Chat or sending pull requests.
 
-If you want to show your support financially you can contribute to [Bountysource](https://salt.bountysource.com/teams/spacevim) or [opencollective](https://opencollective.com/spacevim)
+If you want to show your support financially you can contribute to [opencollective](https://opencollective.com/spacevim)
 
 or buy a drink for the maintainer by clicking following icon.