Remove documentation links for repo packages.

pub.dartlang.org will now automatically link to dartdocs.org for
packages with no documentation link.

BUG= http://dartbug.com/20177, http://dartbug.com/20178, http://dartbug.com/20186
R=sigmund@google.com

Review URL: https://codereview.chromium.org//416973003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/json_rpc_2@38551 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/pubspec.yaml b/pubspec.yaml
index e0fca72..287bba7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,6 @@
 author: Dart Team <misc@dartlang.org>
 description: An implementation of the JSON-RPC 2.0 spec.
 homepage: http://www.dartlang.org
-documentation: http://api.dartlang.org/docs/pkg/json_rpc_2
 dependencies:
   stack_trace: '>=0.9.1 <2.0.0'
 dev_dependencies: