One of the websites I'm working on is on the same domain as a previous version that was built with Magento. Due to this, the Google Search Console found thousands of 404 errors. Using the aptly named Simple 301 Redirects plugin however, I've been able to patch these holes in our dinghy, and have submitted the sitemap to the Search Console every time I've gone through and added more redirects, and as of today, it returns only three 404s for desktop and one for mobile.
However, the site in question is getting heinously sluggish, and I suspect that storing or acting on the data for this plugin is partly responsible for this, so I would like to either deactivate it for the time being or clear its contents. Will doing either of these deactivate the 301 redirects? And do I have to worry about deactivating them if I have submitted my sitemap?