fixed d974acd3 from https://gitee.com/nan-xiansen/xts_acts/pulls/3859

【startup_standard】【master】用例修
Signed-off-by: Nnan-xiansen <nanjinbin@huawei.com>
Change-Id: I5137982c00ff08668dec70ad7b5466a893bab4fb

startup/startup_standard/deviceinfo/src/main/js/default/test/ParametersJsUnit.test.js

@@ -321,7 +321,6 @@ describe('SystemParameterTest', function () {
                 } else {
                     console.info('system_parameter_test_0410 set failed :' + err.code());
                 }
-                return p;
             })
             setTimeout(function () {
                 let parameterInfo = systemparameter.get('hw_sc.build.os.version');