iso: fix packages.x86_64 (no inline comments; gstreamer-vaapi -> gst-plugin-va)

Inline comments after a package name broke kitty/flatpak (became invalid
names with trailing whitespace). gstreamer-vaapi was removed from Arch.
calamares is AUR-only -> commented pending a [tanin] rebuild decision.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

iso/build-profile/airootfs/root/.zlogin

@@ -0,0 +1,6 @@
+# fix for screen readers
+if grep -Fqa 'accessibility=' /proc/cmdline &> /dev/null; then
+    setopt SINGLE_LINE_ZLE
+fi
+
+~/.automated_script.sh