misc: 오타 수정

src/sammo/APIHelper.php

@@ -27,7 +27,6 @@ class APIHelper
 
         try {
             $obj = buildAPIExecutorClass($input['path'], $rootPath, $input['args'] ?? []);
-            $api =
             $validateResult = $obj->validateArgs();
             if ($validateResult !== null) {
                 Json::dieWithReason($validateResult);