Docs site: Removed link to bsonspec.org on reference landing page

Author: jyemin

docs/reference/content/reference/index.md

@@ -11,7 +11,7 @@ title = "Reference"
 The reference documentation for the Java driver focuses on high-level documentation and use-cases. The Javadoc-generated API reference is
 [here](http://api.mongodb.org/java/3.0/).    
 
-- [BSON]({{< relref "reference/bson/index.md" >}}): Documentation of the driver's support for [BSON](http://www.bsonspec.org)
+- [BSON]({{< relref "reference/bson/index.md" >}}): Documentation of the driver's support for BSON
 - [Connecting]({{< relref "reference/connecting/index.md" >}}): Documentation of the driver's support for connecting to MongoDB servers
 - [Management]({{< relref "reference/management/index.md" >}}): Documentation of the driver's support for logging and monitoring of its 
 internal state