remove spi.begin in targets

variants/heltec_v2/target.cpp

@@ -25,7 +25,6 @@ bool radio_init() {
   rtc_clock.begin(Wire);
 
 #if defined(P_LORA_SCLK)
-  spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
   return radio.std_init(&spi);
 #else
   return radio.std_init();

variants/lilygo_tbeam_SX1276/target.cpp

@@ -27,31 +27,15 @@ AutoDiscoverRTCClock rtc_clock(fallback_clock);
   DISPLAY_CLASS display;
 #endif
 
-#ifndef LORA_CR
-  #define LORA_CR      5
-#endif
-
 bool radio_init() {
   fallback_clock.begin();
   rtc_clock.begin(Wire);
 
 #if defined(P_LORA_SCLK)
-  spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
-#endif
-  int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8);
-  if (status != RADIOLIB_ERR_NONE) {
-    Serial.print("ERROR: radio init failed: ");
-    Serial.println(status);
-    return false;  // fail
-  }
-
-#ifdef SX127X_CURRENT_LIMIT
-  radio.setCurrentLimit(SX127X_CURRENT_LIMIT);
+  return radio.std_init(&spi);
+#else
+  return radio.std_init();
 #endif
-
-  radio.setCRC(1);
-
-  return true;  // success
 }
 
 uint32_t radio_get_rng_seed() {

variants/lilygo_tlora_v2_1/target.cpp

@@ -21,7 +21,6 @@ bool radio_init() {
   rtc_clock.begin(Wire);
 
 #if defined(P_LORA_SCLK)
-  spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
   return radio.std_init(&spi);
 #else
   return radio.std_init();