remove lite version for duo and duo256m

device/milkv-duo-lite/boardconfig.sh

-#!/bin/bash
-
-export MV_BOARD=milkv-duo-lite
-export MV_BOARD_CPU=cv1800b
-export MV_VENDOR=milkv
-export MV_BUILD_ENV=milkvsetup.sh
-export MV_BOARD_LINK=cv1800b_milkv_duo_sd
-

device/milkv-duo-lite/genimage.cfg

-image boot.vfat {
-	vfat {
-		label = "boot"
-		files = {
-			"fip.bin",
-			"rawimages/boot.sd",
-		}
-	}
-	size = 128M
-}
-
-image rootfs.ext4 {
-	ext4 {
-		label = "rootfs"
-	}
-	size = 768M
-}
-
-image milkv-duo-lite.img {
-	hdimage {
-	}
-
-	partition boot {
-		partition-type = 0xC
-		bootable = "true"
-                image = "boot.vfat"
-	}
-
-	partition rootfs {
-		partition-type = 0x83
-		image = "rootfs.ext4"
-	}
-
-	partition empty {
-		partition-type-uuid = 0657fd6d-a4ab-43c4-84e5-0933c84b4f4f
-		size = 256M
-	}
-}

device/milkv-duo-lite/overlay

-../milkv-duo/overlay
\ No newline at end of file

device/milkv-duo256m-lite/boardconfig.sh

-#!/bin/bash
-
-export MV_BOARD=milkv-duo256m-lite
-export MV_BOARD_CPU=cv1812cp
-export MV_VENDOR=milkv
-export MV_BUILD_ENV=milkvsetup.sh
-export MV_BOARD_LINK=cv1812cp_milkv_duo256m_sd
-

device/milkv-duo256m-lite/genimage.cfg

-image boot.vfat {
-	vfat {
-		label = "boot"
-		files = {
-			"fip.bin",
-			"rawimages/boot.sd",
-		}
-	}
-	size = 128M
-}
-
-image rootfs.ext4 {
-	ext4 {
-		label = "rootfs"
-	}
-	size = 768M
-}
-
-image milkv-duo256m-lite.img {
-	hdimage {
-	}
-
-	partition boot {
-		partition-type = 0xC
-		bootable = "true"
-                image = "boot.vfat"
-	}
-
-	partition rootfs {
-		partition-type = 0x83
-		image = "rootfs.ext4"
-	}
-}

device/milkv-duo256m-lite/overlay

-../milkv-duo256m/overlay
\ No newline at end of file