remove broken link to exercism documentation (#409)

Closes #408.

Author: coriolinus

README.md

@@ -58,8 +58,6 @@ Before submitting your pull request, you'll want to verify the changes in two wa
 
 All the tests for Rust exercises can be run from the top level of the repo with `_test/check-exercises.sh`. If you are on a Windows machine, there are additional [Windows-specific instructions](_test/WINDOWS_README.md) for running this.
 
-For the Exercism-specific linting, please see [the documentation](https://github.com/exercism/docs/blob/master/language-tracks/configuration/linting.md).
-
 ## Contributing a New Exercise
 
 Please see the documentation about [adding new exercises](https://github.com/exercism/docs/blob/master/you-can-help/make-up-new-exercises.md).