Fix spark address in analytics pipeline

We've switched from using one service for all masters to separate
service for each.

Change-Id: I03bc6d0655b05ebab389163d3fdf07e42eecfeb3
diff --git a/helm/analytics_pipeline/spark.yml b/helm/analytics_pipeline/spark.yml
index aeb2856..ebdddff 100644
--- a/helm/analytics_pipeline/spark.yml
+++ b/helm/analytics_pipeline/spark.yml
@@ -1,7 +1,7 @@
 parameters:
   _param:
     analytics_spark_release: ${_param:analytics_release_prefix}spark
-    analytics_spark_address: spark-master-${_param:analytics_spark_release}-0.spark-master-${_param:analytics_spark_release}:7077,spark-master-${_param:analytics_spark_release}-1.spark-master-${_param:analytics_spark_release}:7077
+    analytics_spark_address: spark-master-${_param:analytics_spark_release}-0:7077
   helm:
     client:
       releases: