Cleaning up app categories.

Change-Id: I30806c81bf9e8db87f31509d9a346960f79ef207
diff --git a/apps/actn-mdsc/BUCK b/apps/actn-mdsc/BUCK
index 4d70128..86dce7d 100644
--- a/apps/actn-mdsc/BUCK
+++ b/apps/actn-mdsc/BUCK
@@ -7,7 +7,7 @@
 
 onos_app (
     title = 'ACTN MDSC',
-    category = 'ACTN APP',
+    category = 'Traffic Steering',
     url = 'http://onosproject.org',
     included_bundles = BUNDLES,
     description = 'ACTN MDSC APP.',