board: dragonboard410c: Drop reflash functionality

This is broken ever since we switched to using U-Boot as first stage
bootloader. Since no one seems to test this actively, let's just drop this
entirely. There are other tools available for re-flashing the DB410c.

Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by:
Link: https://lore.kernel.org/r/20250407-db410c-fixes-v1-5-524aefbc8bb4@linaro.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.env b/board/qualcomm/dragonboard410c/dragonboard410c.env
index 9d9a575..57a3003 100644
--- a/board/qualcomm/dragonboard410c/dragonboard410c.env
+++ b/board/qualcomm/dragonboard410c/dragonboard410c.env
@@ -1,30 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
-
-/* Does what recovery does */
-#define REFLASH(file, partnum) \
-part start mmc 0 partnum start && \
-part size mmc 0 partnum size && \
-tftp $loadaddr file &&  \
-mmc write $loadaddr $start $size &&
-
-reflash=
-mmc dev 0 &&
-usb start &&
-dhcp &&
-tftp $loadaddr dragonboard/rescue/gpt_both0.bin &&
-mmc write $loadaddr 0 43 &&
-mmc rescan &&
-REFLASH(dragonboard/rescue/NON-HLOS.bin, 1)
-REFLASH(dragonboard/rescue/sbl1.mbn, 2)
-REFLASH(dragonboard/rescue/rpm.mbn, 3)
-REFLASH(dragonboard/rescue/tz.mbn, 4)
-REFLASH(dragonboard/rescue/hyp.mbn, 5)
-REFLASH(dragonboard/rescue/sec.dat, 6)
-REFLASH(dragonboard/rescue/emmc_appsboot.mbn, 7)
-REFLASH(dragonboard/u-boot.img, 8)
-usb stop &&
-echo Reflash completed
-
 loadaddr=0x81000000
 initrd_high=0xffffffffffffffff
 linux_image=Image