[MINOR] Missed Doc update during 0.4 release

We missed a note in the Docs referencing a pre-apache release workaround

Author: Alex Bozarth <ajbozart@us.ibm.com>

Closes #61 from ajbozarth/patch-1.

docs/programmatic-api.md

@@ -39,9 +39,6 @@ Add the Livy client dependency to your application's POM:
 </dependency>
 ```
 
-Note: Until Livy's first Apache release you will have to
-install the livy artifacts locally using `mvn install`.
-
 To be able to compile code that uses Spark APIs, also add the correspondent Spark dependencies.
 
 To run Spark jobs within your applications, extend ``org.apache.livy.Job`` and implement