efivars: kill SystemdOptions efi var support

This has been depracted since v254 (2023). Let's kill it for
good now, it has been long enough with 2y. Noone has shown up who wants
to keep it. And given it doesn't work in SB world anyway, and is not
measured is quite problematic security wise.

src/bootctl/bootctl.c

@@ -11,7 +11,6 @@
 #include "bootctl-reboot-to-firmware.h"
 #include "bootctl-set-efivar.h"
 #include "bootctl-status.h"
-#include "bootctl-systemd-efi-options.h"
 #include "bootctl-uki.h"
 #include "build.h"
 #include "devnum-util.h"
@@ -630,7 +629,6 @@ static int bootctl_main(int argc, char *argv[]) {
                 { "set-timeout",         2,        2,        0,            verb_set_efivar          },
                 { "set-timeout-oneshot", 2,        2,        0,            verb_set_efivar          },
                 { "random-seed",         VERB_ANY, 1,        0,            verb_random_seed         },
-                { "systemd-efi-options", VERB_ANY, 2,        0,            verb_systemd_efi_options },
                 { "reboot-to-firmware",  VERB_ANY, 2,        0,            verb_reboot_to_firmware  },
                 {}
         };