Remove nightly build job for my personal fork #1

Job	Run time
build-tarballs (x86_64, ubuntu-24.04)	3h 9m 55s
build-tarballs (aarch64, ubuntu-24.04-arm)	12m 13s
build-tarballs (arm, ubuntu-24.04-arm)	13m 36s
	3h 35m 44s

Provide feedback