Fixed typo in optical/app.xml

Change-Id: I348aa543aade347c73c75ae90eccf657934f23bc
diff --git a/apps/optical/app.xml b/apps/optical/app.xml
index 92877d9..5949250 100644
--- a/apps/optical/app.xml
+++ b/apps/optical/app.xml
@@ -15,6 +15,6 @@
   ~ limitations under the License.
   -->
 <app name="org.onosproject.app.optical" origin="ON.Lab" version="1.1.0"
-        features="onos-app-sdnip">
+        features="onos-app-optical">
     <description>ONOS Packet/Optical use-case application</description>
 </app>