fix(scripts): remove CachyOS package installation block

.chezmoiscripts/run_onchange_before_10-packages.sh.tmpl

@@ -24,17 +24,12 @@ if pacman-conf -l | grep -qx omarchy; then
     install_missing {{ range .packages.arch.desktop.omarchy }}{{ . }} {{ end }}
 fi
 
-# [cachyos] repo packages — only where pacman.conf has that repo
-if pacman-conf -l | grep -qx cachyos; then
-    install_missing {{ range .packages.arch.desktop.cachyos }}{{ . }} {{ end }}
-fi
-
 aur_pkgs="{{ range .packages.arch.desktop.aur }}{{ . }} {{ end }}{{ range .packages.arch.aur }}{{ . }} {{ end }}"
 {{ else -}}
 aur_pkgs="{{ range .packages.arch.aur }}{{ . }} {{ end }}"
 {{ end -}}
 # AUR names no installed package provides yet; ones already installed from a
-# sync repo (cachyos, [omarchy]) are neither rebuilt nor replaced.
+# sync repo (CachyOS, [omarchy]) are neither rebuilt nor replaced.
 # shellcheck disable=SC2086
 aur_missing=$(pacman -T $aur_pkgs || true)
 if [ -n "$aur_missing" ]; then