Switch over swift to using $(project_id) in service catalog

This removes one more place where we use tenant_id in our code.

Change-Id: I628fb7c1dd6f22ce499fc5cbe97b79458cce966f
diff --git a/lib/swift b/lib/swift
index 8c5aa5e..b2fe755 100644
--- a/lib/swift
+++ b/lib/swift
@@ -631,9 +631,9 @@
     get_or_create_endpoint \
         "object-store" \
         "$REGION_NAME" \
-        "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT/v1/AUTH_\$(tenant_id)s" \
+        "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT/v1/AUTH_\$(project_id)s" \
         "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT" \
-        "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT/v1/AUTH_\$(tenant_id)s"
+        "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT/v1/AUTH_\$(project_id)s"
 
     local swift_tenant_test1
     swift_tenant_test1=$(get_or_create_project swifttenanttest1 default)