Remove SPDX license identifier from releng configs

configs/baseline/*:
Remove the SPDX license identifier comment from the configuration files in the profile, as they are not eligible for
copyright.

configs/baseline/airootfs/etc/mkinitcpio.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 # vim:set ft=sh
 # MODULES
 # The following modules are loaded before any boot hooks are

configs/baseline/airootfs/etc/mkinitcpio.d/linux.preset

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 # mkinitcpio preset file for the 'linux' package on archiso
 
 PRESETS=('archiso')

configs/baseline/airootfs/etc/systemd/network/20-ethernet.network

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Match]
 Name=en*
 Name=eth*

configs/baseline/airootfs/etc/systemd/system/systemd-networkd-wait-online.service.d/wait-for-only-one-interface.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 # Allow systemd-networkd-wait-online to succeed with one interface, otherwise, if multiple network interfaces exist,
 # network-online.target gets needlessly delayed.
 # See https://wiki.archlinux.org/title/systemd-networkd#systemd-networkd-wait-online

configs/baseline/efiboot/loader/entries/01-archiso-x86_64-linux.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 title   Arch Linux (x86_64, UEFI)
 linux   /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux
 initrd  /%INSTALL_DIR%/boot/x86_64/initramfs-linux.img

configs/baseline/efiboot/loader/entries/02-archiso-x86_64-ram-linux.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 title   Arch Linux (x86_64, UEFI) Copy to RAM
 linux   /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux
 initrd  /%INSTALL_DIR%/boot/x86_64/initramfs-linux.img

configs/baseline/efiboot/loader/loader.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 timeout 3
 default 01-archiso-x86_64-linux.conf

configs/baseline/packages.x86_64

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
 base
 cloud-init
 linux

configs/baseline/pacman.conf

@@ -2,8 +2,6 @@
 # /etc/pacman.conf
 #
 # See the pacman.conf(5) manpage for option and repository directives
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
 
 #
 # GENERAL OPTIONS

configs/baseline/syslinux/syslinux-linux.cfg

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 LABEL arch
 MENU LABEL Arch Linux (x86_64, BIOS)
 LINUX /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux

configs/baseline/syslinux/syslinux.cfg

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 SERIAL 0 115200
 UI menu.c32
 MENU TITLE Arch Linux