troubleshooting-post-install: Fix broken link, remove outdated instructions

Author: TophattedWasTaken

docs/troubleshooting-post-install.md

@@ -130,8 +130,7 @@ Your console is running Luma3DS 6.6 or older, likely via arm9loaderhax. You shou
 
 ::: details Extended memory mode games (Pokemon Sun/Moon, Smash, etc.) don't work
 
-This can occur after a CTRTransfer or region change on Old 3DS / 2DS. Follow the instructions [here](region-changing#section-vi---fixing-locale-related-issues) to fix this issue (skipping steps 3, 4, 5, and 6).
-
+This can occur after a CTRTransfer or region change on Old 3DS / 2DS. Follow the instructions [here](region-changing#section-vi-fixing-locale-related-issues) to fix this issue.
 :::
 
 ::: details Exception screen when booting/loading an application