Refactor: reduce to number of column for better readability at SONA

Change-Id: Ic8dd78cfc219272f98f37651f244c3564755960c
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackSecurityGroupStoreDelegate.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackSecurityGroupStoreDelegate.java
index 8edfdfe..f0a80b3 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackSecurityGroupStoreDelegate.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackSecurityGroupStoreDelegate.java
@@ -20,5 +20,6 @@
 /**
  * OpenStack security group store delegate abstraction.
  */
-public interface OpenstackSecurityGroupStoreDelegate extends StoreDelegate<OpenstackSecurityGroupEvent> {
+public interface OpenstackSecurityGroupStoreDelegate
+        extends StoreDelegate<OpenstackSecurityGroupEvent> {
 }