Clean up leftovers from the source theme

- Light Zed themes declared appearance 'dark' although they use the light
  palette; set them to 'light' so Zed picks the right UI mode.
- Dark shell.toml still described coral/warm legacy accents.
- Light hyprland.lua leaked the author's home path as its source comment.

hyprland.lua

@@ -1,5 +1,5 @@
 -- Generated by scripts/hypr2lua.
--- Source: /home/hancore/.config/omarchy/themes/tintenblau/hyprland.conf
+-- Source: hyprland.conf
 
 hl.config({
   general = {