Removing an unnecessary update function.

commerce.install

@@ -323,10 +323,3 @@ function commerce_update_7102() {
     ->execute();
   return t('The module weight for Commerce has been increased.');
 }
-
-/**
- * Flush all caches.
- */
-function commerce_update_7103() {
-  // The update system is going to flush all caches anyway, so nothing to do.
-}