Remove the default project from all users

The default project means that a user gains token scoping information
for a project if they don't specify another. This is something we want
to discourage for user creation. User's should specify there own
authentication scope when they authenticate.

Change-Id: I42c3060d59edfcd44d04cd166bad500419dd99bc
diff --git a/extras.d/70-tuskar.sh b/extras.d/70-tuskar.sh
index 6e26db2..551916f 100644
--- a/extras.d/70-tuskar.sh
+++ b/extras.d/70-tuskar.sh
@@ -180,8 +180,7 @@
     local service_tenant=$(openstack project list | awk "/ $SERVICE_TENANT_NAME / { print \$2 }")
     local admin_role=$(openstack role list | awk "/ admin / { print \$2 }")
 
-    local tuskar_user=$(get_or_create_user "tuskar" \
-        "$SERVICE_PASSWORD" $service_tenant)
+    local tuskar_user=$(get_or_create_user "tuskar" "$SERVICE_PASSWORD")
     get_or_add_user_role $admin_role $tuskar_user $service_tenant
 
     if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then