fix #2053: style keyword is not supported inside Schema object

Author: nasa9084

versions/3.0.3.md

@@ -830,9 +830,9 @@ parameters:
   required: true
   schema:
     type: array
-    style: simple
     items:
       type: string  
+  style: simple
 ```
 
 #### <a name="operationObject"></a>Operation Object