* minor tidy ups

variants/rak4631/target.h

@@ -11,9 +11,6 @@
   #include <helpers/sensors/LocationProvider.h>
   #include <SparkFun_u-blox_GNSS_Arduino_Library.h>
 #endif
-#if ENV_INCLUDE_BME680
-  #include "bsec2.h"
-#endif
 #ifdef DISPLAY_CLASS
   #include <helpers/ui/SSD1306Display.h>
 #endif
@@ -84,11 +81,6 @@ enum {
   RAK12500_ONLINE     = _BV(14),
 };
 
-#if ENV_INCLUDE_BME680
-  void newDataCallback(const bme68xData data, const bsecOutputs outputs, Bsec2 bsec);
-  void checkBMEStatus(Bsec2 bsec);
-#endif
-
 bool radio_init();
 uint32_t radio_get_rng_seed();
 void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);