Remove unused RX boosted gain mode functions and related preprocessor directives across multiple variants

variants/mesh_pocket/platformio.ini

@@ -9,7 +9,6 @@ build_flags =  ${nrf52_base.build_flags}
   -I lib/nrf52/s140_nrf52_6.1.1_API/include/nrf52
   -I variants/mesh_pocket
   -D HELTEC_MESH_POCKET
-  -D USE_SX1262
   -D RADIO_CLASS=CustomSX1262
   -D WRAPPER_CLASS=CustomSX1262Wrapper
   -D LORA_TX_POWER=22

variants/mesh_pocket/target.cpp

@@ -43,12 +43,3 @@ mesh::LocalIdentity radio_new_identity() {
   return mesh::LocalIdentity(&rng);  // create new random identity
 }
 
-#if defined(USE_SX1262) || defined(USE_SX1268)
-void radio_set_rx_boosted_gain_mode(bool rxbgm) {
-  radio.setRxBoostedGainMode(rxbgm);
-}
-
-bool radio_get_rx_boosted_gain_mode() {
-  return radio.getRxBoostedGainMode();
-}
-#endif

variants/mesh_pocket/target.h

@@ -31,8 +31,4 @@ mesh::LocalIdentity radio_new_identity();
 
 extern SensorManager sensors;
 
-#if defined(USE_SX1262) || defined(USE_SX1268)
-bool radio_get_rx_boosted_gain_mode();
-void radio_set_rx_boosted_gain_mode(bool rxbgm);
-#endif