In packages/blobs/grub/09_linux_with_dtb.sh, identify the lines of code that contain the 'x-hack' and replace it with a more modern and reliable shell scripting practice.
In packages/bsp/nanopim4/nanopim4-pwm-fan.sh, identify the lines of code that contain the 'x-hack' and replace it with a more modern and reliable shell scripting practice.
In lib/tools/shellcheck.sh, identify the lines of code that contain the 'x-hack' and replace it with a more modern and reliable shell scripting practice.
In lib/functions/artifacts/artifact-armbian-bsp-cli.sh, identify the lines of code that contain the 'x-hack' and replace it with a more modern and reliable shell scripting practice.
In lib/functions/artifacts/artifact-firmware.sh, identify the lines of code that contain the 'x-hack' and replace it with a more modern and reliable shell scripting practice.
Parent issue: #11