fix: 🐛 stop removing uki uefi boot entries if deactivated

src/snap-pac-uki.fish

@@ -163,7 +163,9 @@ function main
                     echo "  -> cleaning uki and boot entry for removed snapshot $uki"
                     rm "$CFG_UKI_DIR/arch-linux-$uki.efi"
 
-                    efibootmgr -q -b (efibootmgr -v | rg "arch-linux-$uki.efi" | sed "s/\*//;s/Boot0*\(.*\) Arch .*/\1/") -B
+                    if test "$CFG_EFI" = "yes"
+                        efibootmgr -q -b (efibootmgr -v | rg "arch-linux-$uki.efi" | sed "s/\*//;s/Boot0*\(.*\) Arch .*/\1/") -B
+                    end
                 end
             end