fix: remove extra closing braces at end of DatabaseInitializer

cfc-backend/src/main/java/com/etotem/cfc/config/DatabaseInitializer.java

@@ -5557,6 +5557,4 @@ try {
             log.warn("创建 butler_assignments 表失败：{}", e.getMessage());
         }
     }
-}
-    }
 }