Revert "ramdump: enable ramdump for DVT"

This reverts commit 602f0da845dbaa6c8eb1111ea4647e8ef3069037.

Change-Id: I8aadc02b9d4307d7b8e40a3490a7bf9ccea68914
diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-poweroff.c
index c1b0799..85a1827 100644
--- a/drivers/power/reset/msm-poweroff.c
+++ b/drivers/power/reset/msm-poweroff.c
@@ -62,7 +62,7 @@
  * There is no API from TZ to re-enable the registers.
  * So the SDI cannot be re-enabled when it already by-passed.
  */
-static int download_mode = 1;
+static int download_mode = 0; //1;  FP4-2872, disable ramdump, liquan.zhou.t2m, 20210908
 static struct kobject dload_kobj;
 
 static int in_panic;