Remove dead link from README.

tweise · tweise · commit ae1183d2dd64 · 2018-07-20T09:59:45.000-07:00
diff --git a/README.md b/README.md
@@ -86,10 +86,6 @@ sudo apt-get install \
 
 Then please use the standard `./gradlew build` command.
 
-### Spark Runner
-
-See the Spark Runner [README](https://github.com/apache/beam/tree/master/runners/spark).
-
 ## Contact Us
 
 To get involved in Apache Beam:
