config/wiki: update troubleshooting-related redirects
As part of wiki#133, the Troubleshooting page was split up into two separate pages, and some pages were renamed in the process. Update the redirects to point to the new locations.
As part of wiki#133, the Troubleshooting page was split up into two separate pages, and some pages were renamed in the process. Update the redirects to point to the new locations.