Pick the requested region whatever the ISO preselects; one-line comments

builder/prepare-region.sh

@@ -22,8 +22,7 @@ if [[ ! -f $runtime/bin/omarchy-apply-pacman || ! -f $profile/packages ||
   exit 1
 fi
 
-# The offline mirror carries the profile packages; the installer adds them to
-# the target only when the person picks this region.
+# Offline mirror only; the installer adds them when China is picked.
 payload="$iso_root/usr/share/omarchy-iso"
 cp -a "$profile" "$payload/region"
 printf '\n' >> "$payload/omarchy-other.packages"