fix bootloaer args v90, update lb config

Perc Guide Source Files/Linux ISO Build/auto/config

@@ -8,6 +8,8 @@ lb config noauto \
     --debian-installer none \
     --archive-areas "main contrib non-free" \
     --apt-indices false \
+    --bootappend-live "iomem=relaxed" \
+    --bootappend-live-failsafe "iomem=relaxed" \
     --binary-image iso-hybrid \
     --memtest none \
     "${@}"

Perc Guide Source Files/Linux ISO Build/config/bootloaders/grub-pc/grub.cfg

@@ -1,43 +0,0 @@
-source /boot/grub/config.cfg
-
-# Live boot
-menuentry "Live system" --hotkey=l {
-	linux	/live/vmlinuz-5.10.0-9-amd64 boot=live components quiet splash iomem=relaxed findiso=${iso_path}
-	initrd	/live/initrd.img-5.10.0-9-amd64
-}
-menuentry "Live system (fail-safe mode)" {
-	linux	/live/vmlinuz-5.10.0-9-amd64 boot=live components memtest noapic noapm nodma nomce nolapic nomodeset nosmp nosplash vga=788 iomem=relaxed
-	initrd	/live/initrd.img-5.10.0-9-amd64
-}
-
-# Installer (if any)
-if @ENABLE_INSTALL_MENU@; then
-
-source	/boot/grub/install_start.cfg
-
-submenu 'Advanced install options ...' --hotkey=a {
-
-	source /boot/grub/theme.cfg
-
-	source	/boot/grub/install.cfg
-
-}
-fi
-
-submenu 'Utilities...' --hotkey=u {
-
-	source /boot/grub/theme.cfg
-
-	# Memtest (if any)
-	if [ "${grub_platform}" = "pc" ] -a @ENABLE_MEMTEST@; then
-		source /boot/grub/memtest.cfg
-	fi
-
-	# Firmware setup (UEFI)
-	if [ "${grub_platform}" = "efi" ]; then
-		menuentry "UEFI Firmware Settings" {
-			fwsetup
-		}
-	fi
-
-}

Perc Guide Source Files/Linux ISO Build/config/bootloaders/isolinux/live.cfg

@@ -1,12 +0,0 @@
-label live-amd64
-	menu label ^Live (amd64)
-	menu default
-	linux /live/vmlinuz
-	initrd /live/initrd.img
-	append boot=live components quiet splash iomem=relaxed
-
-label live-amd64-failsafe
-	menu label Live (amd64 failsafe)
-	linux /live/vmlinuz
-	initrd /live/initrd.img
-	append boot=live components memtest noapic noapm nodma nomce nolapic nomodeset nosmp nosplash vga=788 iomem=relaxed