Remove unneeded slash

roles/netbootxyz/templates/menu/live-fedora.ipxe.j2

@@ -39,7 +39,7 @@ goto boot
 
 :boot
 imgfree
-kernel ${live_url}vmlinuz ${ipparam} root=live:${live_url}/squashfs.img ro rd.live.image rd.lvm=0 rd.luks=0 rd.md=0 rd.dm=0 initrd=initrd
+kernel ${live_url}vmlinuz ${ipparam} root=live:${live_url}squashfs.img ro rd.live.image rd.lvm=0 rd.luks=0 rd.md=0 rd.dm=0 initrd=initrd
 initrd ${live_url}initrd
 boot