修改napi/napi_query_syscap.cpp文件226行，删去asyncContext对象，消除告警

删去asyncContext对象，消除告警

Signed-off-by: tongkai0808fh <tongkai5@huawei.com>

napi/napi_query_syscap.cpp

@@ -223,6 +223,7 @@ napi_value QuerySystemCapability(napi_env env, napi_callback_info info)
         },
         (void*)asyncContext, &asyncContext->work);
     napi_queue_async_work(env, asyncContext->work);
+    delete asyncContext;
 
     return result;
 }