change scopeof distributed-data plugin to runtime

Author: BrandonArp

pom.xml

@@ -604,6 +604,7 @@
       <groupId>com.typesafe.akka</groupId>
       <artifactId>akka-distributed-data-experimental_${scala.version}</artifactId>
       <version>${akka.version}</version>
+      <scope>runtime</scope>
     </dependency>
     <dependency>
       <groupId>com.typesafe.akka</groupId>