Revert "[VOL-1385] : code changes to support ONU delete"

This reverts commit e935b33392e67708b83292c27480ae5258c37724.

Change-Id: Ibd10b43d8d6264a7b0b12386eb9833b5a4864ffd
diff --git a/rw_core/core/device_state_transitions.go b/rw_core/core/device_state_transitions.go
index 0a6264b..7756bf4 100644
--- a/rw_core/core/device_state_transitions.go
+++ b/rw_core/core/device_state_transitions.go
@@ -96,13 +96,7 @@
 			deviceType:    child,
 			previousState: DeviceState{Admin: voltha.AdminState_DISABLED, Connection: voltha.ConnectStatus_UNKNOWN, Operational: voltha.OperStatus_UNKNOWN},
 			currentState:  DeviceState{Admin: voltha.AdminState_DELETED, Connection: voltha.ConnectStatus_UNKNOWN, Operational: voltha.OperStatus_UNKNOWN},
-			handlers:      []TransitionHandler{dMgr.ChildDeviceLost, dMgr.DeleteLogicalPorts, dMgr.RunPostDeviceDelete}})
-	transitionMap.transitions = append(transitionMap.transitions,
-		Transition{
-			deviceType:    child,
-			previousState: DeviceState{Admin: voltha.AdminState_ENABLED, Connection: voltha.ConnectStatus_UNKNOWN, Operational: voltha.OperStatus_UNKNOWN},
-			currentState:  DeviceState{Admin: voltha.AdminState_DELETED, Connection: voltha.ConnectStatus_UNKNOWN, Operational: voltha.OperStatus_UNKNOWN},
-			handlers:      []TransitionHandler{dMgr.ChildDeviceLost, dMgr.DeleteLogicalPorts, dMgr.RunPostDeviceDelete}})
+			handlers:      []TransitionHandler{dMgr.DeleteLogicalPorts, dMgr.RunPostDeviceDelete}})
 	transitionMap.transitions = append(transitionMap.transitions,
 		Transition{
 			deviceType:    any,