[CORD-1569]
Clean up defaults files, removal of old gui config for documentation

Change-Id: I73a1c5bd0dedcfe09d817e4e5d59e1d5fca3c297
diff --git a/roles/onos-fabric-install/defaults/main.yml b/roles/onos-fabric-install/defaults/main.yml
index 775ab97..2551ed6 100644
--- a/roles/onos-fabric-install/defaults/main.yml
+++ b/roles/onos-fabric-install/defaults/main.yml
@@ -18,7 +18,7 @@
 # onos-fabric-install/defaults/main.yml
 
 # paths
-head_onos_fabric_dir: "/opt/onos_fabric/"
+head_onos_fabric_dir: "/opt/onos_fabric"
 
 # ONOS docker image to use
 pull_docker_registry: ""