Microsoft is shutting down its main LinkedIn service in China later this year after internet rules were tightened{/a} by Beijing, the latest American tech giant to lessen its ties to the country.{/p} The company said in a blog post{/a} Thursday it has faced a "significantly more challenging operating environment and greater compliance requirements in China.”{/p} LinkedIn will replace its localized platform in China with a new app called InJobs that has some of LinkedIn's career-networking features but “will not include a social feed or the ability to share posts or articles.”{/p} LinkedIn in March said it would pause new member…