Remove pin high at startup in BL mode

Author: facchinm

bootloaders/atmega4809_uart_bl.hex

@@ -1,16 +1,15 @@
-:10000000112410994AC080EC80932608A0912311F6
-:100010000A2E000CBB0BBC5F2CE530E00E945400A4
+:100000001124109948C080EC80932608A0912311F8
+:100010000A2E000CBB0BBC5F2CE530E00E945200A6
 :10002000DC01CB019E5FAF4FBF4F2AE0B595A7958E
 :10003000979587952A95D1F780932808909329085A
 :100040008091E20584608093E205449A669A6E9AF4
 :10005000E0E0F1E49DE923E030E48091240887FFAB
 :10006000FCCF80912008809322088193AF014F77C5
 :100070005527452B51F494BF209300108091021016
-:1000800080FDFCCF8DB183278DB9309731F791E09A
-:1000900088ED84BF9093410007C082E080930110F7
-:1000A000E0E8F0E00995AFCF0E945B00B7FF08954C
-:1000B000821B930B0895A29FB001B39FC001A39F21
-:1000C000700D811D1124911DB29F700D811D112491
-:0400D000911D0895E1
+:1000800080FDFCCF8DB183278DB9309731F7E0E843
+:10009000F0E0099507C082E080930110E0E8F0E00D
+:1000A0000995B1CF0E945900B7FF0895821B930BA9
+:1000B0000895A29FB001B39FC001A39F700D811D41
+:1000C0001124911DB29F700D811D1124911D089561
 :02000004008278
 :00000001FF

bootloaders/boot.c

@@ -100,8 +100,6 @@ __attribute__((naked)) __attribute__((section(".ctors"))) void boot(void)
   init_uart();
   init_status_led();
 
-  VPORTD.OUT |= PIN6_bm;
-
   /*
    * Start programming at start for application section
    * Subtract MAPPED_PROGMEM_START in condition to handle overflow on large flash sizes