Reverting version back to 1.7.0-SNAPSHOT

Change-Id: I04a6b0e86d7478a111aa48ba16edc57d4e240c24
diff --git a/incubator/rpc-grpc/pom.xml b/incubator/rpc-grpc/pom.xml
index 6d2d0c5..61e01c8f 100644
--- a/incubator/rpc-grpc/pom.xml
+++ b/incubator/rpc-grpc/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>onos-incubator</artifactId>
         <groupId>org.onosproject</groupId>
-        <version>1.7.0-rc3</version>
+        <version>1.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>onos-incubator-rpc-grpc</artifactId>