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/efiboot/loader/entries/01-archiso-linux.conf

@@ -0,0 +1,5 @@
+title    Arch Linux install medium (%ARCH%, UEFI)
+sort-key 01
+linux    /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux-zen
+initrd   /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux-zen.img
+options  archisobasedir=%INSTALL_DIR% archisosearchuuid=%ARCHISO_UUID%

iso/build-profile/efiboot/loader/entries/02-archiso-speech-linux.conf

@@ -0,0 +1,5 @@
+title    Arch Linux install medium (%ARCH%, UEFI) with speech
+sort-key 02
+linux    /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux-zen
+initrd   /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux-zen.img
+options  archisobasedir=%INSTALL_DIR% archisosearchuuid=%ARCHISO_UUID% accessibility=on

iso/build-profile/efiboot/loader/entries/03-archiso-memtest86+x64.conf

@@ -0,0 +1,4 @@
+title    Memtest86+
+sort-key 03
+efi      /boot/memtest86+/memtest.efi
+architecture x64

iso/build-profile/efiboot/loader/loader.conf

@@ -0,0 +1,3 @@
+timeout 15
+default 01-archiso-linux.conf
+beep on