lwm2m: fix bug observe after reboot - main

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/uplink/DefaultLwM2mUplinkMsgHandler.java

@@ -291,7 +291,6 @@ public class DefaultLwM2mUplinkMsgHandler extends LwM2MExecutorAwareService impl
             clientContext.unregister(client, registration);
             SessionInfoProto sessionInfo = client.getSession();
             if (sessionInfo != null) {
-                securityStore.remove(client.getEndpoint(), client.getRegistration().getId());
                 sessionManager.deregister(sessionInfo);
                 sessionStore.remove(registration.getEndpoint());
                 log.info("Client close session: [{}] unReg [{}] name  [{}] profile ", registration.getId(), registration.getEndpoint(), sessionInfo.getDeviceType());