Shorten title screen

src/linux.ipxe

@@ -3,7 +3,7 @@
 goto ${menu} ||
 
 :linux_menu
-menu Linux Operating Systems - Current Selected Architecture [ ${arch} ]
+menu Linux Operating Systems - Current Arch [ ${arch} ]
 iseq ${arch} x86_64 && set arch_a amd64 || set arch_a ${arch}
 item --gap Operating Systems:
 item archlinux ${space} ArchLinux