Update plasma.md

Remove advice to delete ~/.kde

Add note to advise not to delete directories KDE recommends against deleting.

docs/user/troubleshooting/plasma.md

@@ -81,11 +81,16 @@ ls -laH
 
 You should see the files you would usually see in your home directory when logged into Solus normally.
 
+:::caution Important
+
+The KDE project cautions users to not delete these directories: `~/.kde, ~/.kde4, ~/.local or ~/.config`.
+
+:::
+
 1. Remove the various caches that Plasma uses.
    Execute the following commands:
 
 ```bash
-rm -rf .kde
 rm -rf .cache/plasmashell*
 rm -rf .cache/org.kde.dirmodel-qml.kcache
 rm -rf .cache/kioexec/ .cache/krunner/ .cache/ksycoca5*