Update CONTRIBUTING.md

Author: ar1ja

CONTRIBUTING.md

@@ -1,28 +1,3 @@
-## Contributor License Agreement ##
-
-Patches and contributions are welcome. Before we can accept them, though, we
-have to see to the legal details.
-
-Contributions to any Google project must be accompanied by a Contributor
-License Agreement. This is not a copyright **assignment**, it simply gives
-Google permission to use and redistribute your contributions as part of the
-project.
-
-  * If you are an individual writing original source code and you're sure you
-    own the intellectual property, then you'll need to sign an [individual
-    CLA][].
-
-  * If you work for a company that wants to allow you to contribute your work,
-    then you'll need to sign a [corporate CLA][].
-
-You generally only need to submit a CLA once, so if you've already submitted
-one (even if it was for a different project), you probably don't need to do it
-again.
-
-[individual CLA]: https://developers.google.com/open-source/cla/individual
-[corporate CLA]: https://developers.google.com/open-source/cla/corporate
-
-
 ## Submitting a patch ##
 
   1. It's generally best to start by opening a new issue describing the bug or