In such situation you are required to remove and install SUP role again.
I believe mostly when you find an article that suggest to repair update point role. So when do you uninstall the software update point role ?. If you are looking for SCCM software updates logs, refer this post. In addition to that you can add the software update point site system role to an existing site system server or you can create a new one. You can install more than one software update points on a site. One of the steps before deploying software updates is to install software update point role. However I suggest you read the complete post before you decide to uninstall software update point role from your SCCM setup. In this short post, I will cover the steps to uninstall or remove software update point site system role from the Configuration Manager console.
