fix(pa01): backlight related issues (#6826)

radio/src/edgetx.cpp

@@ -1414,8 +1414,6 @@ void edgeTxInit()
   lcdSetContrast();
 #endif
 
-  BACKLIGHT_ENABLE(); // we start the backlight during the startup animation
-
 #if defined(STARTUP_ANIMATION)
   if (WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()) {
     pwrOn();
@@ -1498,7 +1496,6 @@ void edgeTxInit()
 
   currentBacklightBright = requiredBacklightBright = g_eeGeneral.getBrightness();
 
-
   referenceSystemAudioFiles();
   audioQueue.start();
   BACKLIGHT_ENABLE();