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/etc/calamares/modules/shellprocess-striplive.conf

@@ -0,0 +1,11 @@
+---
+dontChroot: false
+timeout: 30
+# Remove the live-only installer bits from the installed target so it boots the
+# desktop (greetd) instead of auto-launching Calamares.
+script:
+- "rm -f /etc/systemd/system/getty@tty1.service.d/autologin.conf"
+- "rmdir --ignore-fail-on-non-empty /etc/systemd/system/getty@tty1.service.d 2>/dev/null || true"
+- "rm -f /root/.bash_profile"
+- "rm -f /usr/local/bin/tanin-installer"
+- "systemctl set-default graphical.target"