Merge pull request #12147 from ZDroid/double

Drop redundant 'the'

CONTRIBUTING.md

@@ -147,7 +147,7 @@ included in the project:
     with a clear title and description against the `master` branch.
 
 **IMPORTANT**: By submitting a patch, you agree to allow the project owners to
-license your work under the the terms of the [MIT License](LICENSE.md).
+license your work under the terms of the [MIT License](LICENSE.md).
 
 
 ## Code guidelines