metal fstab: change swap size 2G -> 1G
LABEL=EFI /boot/efi vfat umask=0077 type=uefi,syslinux
LABEL=ROOT / ext4 rw,errors=remount-ro,prjquota,discard
LABEL=USR /usr ext4 ro,discard
-LABEL=SWAP none swap sw type=swap,size=2GiB
+LABEL=SWAP none swap sw type=swap,size=1GiB
