Remove SPDX license identifier from releng configs

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

configs/releng/airootfs/etc/hostname

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
 archiso

configs/releng/airootfs/etc/locale.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 LANG=en_US.UTF-8

configs/releng/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/releng/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/releng/airootfs/etc/systemd/journald.conf.d/volatile-storage.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Journal]
 Storage=volatile

configs/releng/airootfs/etc/systemd/logind.conf.d/do-not-suspend.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Login]
 HandleSuspendKey=ignore
 HandleHibernateKey=ignore

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

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

configs/releng/airootfs/etc/systemd/network/20-wlan.network

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

configs/releng/airootfs/etc/systemd/network/20-wwan.network

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

configs/releng/airootfs/etc/systemd/system/choose-mirror.service

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Unit]
 Description=Choose mirror from the kernel command line
 ConditionKernelCommandLine=mirror

configs/releng/airootfs/etc/systemd/system/etc-pacman.d-gnupg.mount

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Unit]
 Description=Temporary /etc/pacman.d/gnupg directory
 

configs/releng/airootfs/etc/systemd/system/getty@tty1.service.d/autologin.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Service]
 ExecStart=
 ExecStart=-/sbin/agetty --autologin root --noclear %I 38400 linux

configs/releng/airootfs/etc/systemd/system/livecd-alsa-unmuter.service

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Unit]
 Description=Unmute All Sound Card Controls For Use With The Live Arch Environment
 # This needs to run after the audio device becomes available.

configs/releng/airootfs/etc/systemd/system/livecd-talk.service

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Unit]
 Description=Screen reader service
 After=livecd-alsa-unmuter.service

configs/releng/airootfs/etc/systemd/system/pacman-init.service

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 [Unit]
 Description=Initializes Pacman keyring
 Requires=etc-pacman.d-gnupg.mount

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

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

configs/releng/efiboot/loader/entries/02-archiso-x86_64-speech-linux.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 title   Arch Linux install medium (x86_64, UEFI) with speech
 linux   /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux
 initrd  /%INSTALL_DIR%/boot/intel-ucode.img

configs/releng/efiboot/loader/entries/03-archiso-x86_64-ram-linux.conf

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

configs/releng/efiboot/loader/loader.conf

-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 timeout 15
 default 01-archiso-x86_64-linux.conf