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

src/helpers/radiolib/CustomLLCC68.h

@@ -84,4 +84,10 @@ class CustomLLCC68 : public LLCC68 {
       bool detected = (irq & SX126X_IRQ_HEADER_VALID) || (irq & SX126X_IRQ_PREAMBLE_DETECTED);
       return detected;
     }
+
+    bool getRxBoostedGainMode() {
+      uint8_t rxGain = 0;
+      readRegister(RADIOLIB_SX126X_REG_RX_GAIN, &rxGain, 1);
+      return (rxGain == RADIOLIB_SX126X_RX_GAIN_BOOSTED);
+    }
 };

src/helpers/radiolib/CustomLLCC68Wrapper.h

@@ -22,4 +22,11 @@ public:
   }
 
   void doResetAGC() override { sx126xResetAGC((SX126x *)_radio); }
+
+  void setRxBoostedGainMode(bool en) override {
+    ((CustomLLCC68 *)_radio)->setRxBoostedGainMode(en);
+  }
+  bool getRxBoostedGainMode() const override {
+    return ((CustomLLCC68 *)_radio)->getRxBoostedGainMode();
+  }
 };

src/helpers/radiolib/CustomLR1110Wrapper.h

@@ -24,5 +24,11 @@ public:
 
   float getLastRSSI() const override { return ((CustomLR1110 *)_radio)->getRSSI(); }
   float getLastSNR() const override { return ((CustomLR1110 *)_radio)->getSNR(); }
-  int16_t setRxBoostedGainMode(bool en) { return ((CustomLR1110 *)_radio)->setRxBoostedGainMode(en); };
+
+  void setRxBoostedGainMode(bool en) override {
+    ((CustomLR1110 *)_radio)->setRxBoostedGainMode(en);
+  }
+  bool getRxBoostedGainMode() const override {
+    return ((CustomLR1110 *)_radio)->getRxBoostedGainMode();
+  }
 };

src/helpers/radiolib/CustomSX1262Wrapper.h

@@ -29,4 +29,11 @@ public:
   }
 
   void doResetAGC() override { sx126xResetAGC((SX126x *)_radio); }
+
+  void setRxBoostedGainMode(bool en) override {
+    ((CustomSX1262 *)_radio)->setRxBoostedGainMode(en);
+  }
+  bool getRxBoostedGainMode() const override {
+    return ((CustomSX1262 *)_radio)->getRxBoostedGainMode();
+  }
 };

src/helpers/radiolib/CustomSX1268Wrapper.h

@@ -26,4 +26,11 @@ public:
   }
 
   void doResetAGC() override { sx126xResetAGC((SX126x *)_radio); }
+
+  void setRxBoostedGainMode(bool en) override {
+    ((CustomSX1268 *)_radio)->setRxBoostedGainMode(en);
+  }
+  bool getRxBoostedGainMode() const override {
+    return ((CustomSX1268 *)_radio)->getRxBoostedGainMode();
+  }
 };

src/helpers/radiolib/RadioLibWrappers.h

@@ -54,6 +54,9 @@ public:
   virtual float getLastSNR() const override;
 
   float packetScore(float snr, int packet_len) override { return packetScoreInt(snr, 10, packet_len); }  // assume sf=10
+
+  virtual void setRxBoostedGainMode(bool) { }
+  virtual bool getRxBoostedGainMode() const { return false; }
 };
 
 /**