Fix: remove redundant LispControllerAdapter test class

Change-Id: I9e8d62e9924b52ecb9c1c71a9cb222de248b47c6
diff --git a/providers/lisp/device/src/test/java/org/onosproject/provider/lisp/device/impl/LispDeviceProviderTest.java b/providers/lisp/device/src/test/java/org/onosproject/provider/lisp/device/impl/LispDeviceProviderTest.java
index c040ca3..17f9eed 100644
--- a/providers/lisp/device/src/test/java/org/onosproject/provider/lisp/device/impl/LispDeviceProviderTest.java
+++ b/providers/lisp/device/src/test/java/org/onosproject/provider/lisp/device/impl/LispDeviceProviderTest.java
@@ -22,6 +22,7 @@
 import org.onosproject.core.CoreService;
 import org.onosproject.core.DefaultApplicationId;
 import org.onosproject.lisp.ctl.LispController;
+import org.onosproject.lisp.ctl.LispControllerAdapter;
 import org.onosproject.lisp.ctl.LispRouter;
 import org.onosproject.lisp.ctl.LispRouterListener;
 import org.onosproject.net.device.DeviceListener;