makefile: cleanup, remove download_iso target

Makefile

@@ -54,7 +54,7 @@ release_archive:
 
 ################################
 
-tests: test_imagesize download_iso test_kvm_bios test_kvm_uefi
+tests: test_imagesize test_kvm_bios test_kvm_uefi
 
 test_imagesize:
 	@size=$$(du -b iso/*.iso | cut -f 1); \
@@ -63,10 +63,6 @@ test_imagesize:
 		echo '[WARNING] ISO image size is larger than 2GB!'; \
 	fi
 
-download_iso:
-	# download the iso image from a build server
-	rsync -avP buildbot.xinit.se:/var/debian-live-config/debian-live-config/iso ./
-
 test_kvm_bios:
 	# Run the resulting image in KVM/virt-manager (legacy BIOS mode)
 	sudo virt-install --name dlc-test --boot cdrom --disk path=/dlc-test-disk0.qcow2,format=qcow2,size=20,device=disk,bus=virtio,cache=none --cdrom 'iso/dlc-2.2.2-debian-buster-amd64.hybrid.iso' --memory 2048 --vcpu 2