Removed Credits section from Readme

Since I'm not the only commiter anymore, credits
should go to all contributors, not just me.

For this we have VCS history and per file
authorship where applicable.

Author: vimishor

README.md

@@ -34,8 +34,4 @@ Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
 
 For any security related issues, please send an email at [alex@gentle.ro][maintainer-pgp] instead of using the issue tracker.
 
-## Credits
-
-- [Alexandru G.](https://bitbucket.org/vimishor)
-
 [maintainer-pgp]: https://keybase.io/vimishor/key.asc