refactor(led): generalize LED_LORA init from ThinkNode-M7 (#11437)

Migrate LED_LORA init to match existing LED init patterns.

Signed-off-by: Andrew Yong <me@ndoo.sg>
Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>

variants/esp32s3/ELECROW-ThinkNode-M7/variant.cpp

@@ -5,6 +5,4 @@ void initVariant()
 {
     pinMode(LED_PAIRING, OUTPUT);
     digitalWrite(LED_PAIRING, !LED_STATE_ON); // Turn off the LED to start
-    pinMode(LED_LORA, OUTPUT);
-    digitalWrite(LED_LORA, !LED_STATE_ON); // Turn off the LED to start
 }