ONOS-6886 Move interface classes from incubator to core

Change-Id: Iaae4d98279e4b77fc3f0b5a63d547921f93aeb46
diff --git a/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java b/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
index 183a0ba..cda9e04 100644
--- a/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
+++ b/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
@@ -29,7 +29,7 @@
 import org.onlab.packet.VlanId;
 import org.onlab.util.Tools;
 import org.onosproject.cfg.ComponentConfigService;
-import org.onosproject.incubator.net.intf.InterfaceService;
+import org.onosproject.net.intf.InterfaceService;
 import org.onosproject.net.HostLocation;
 import org.onosproject.net.edge.EdgePortService;
 import org.onosproject.net.provider.AbstractListenerProviderRegistry;