at86rf2xx: Remove PAN ID initialization from reset

drivers/at86rf2xx/at86rf2xx.c

@@ -73,8 +73,6 @@ void at86rf2xx_reset(at86rf2xx_t *dev)
     at86rf2xx_set_addr_long(dev, ntohll(addr_long.uint64.u64));
     at86rf2xx_set_addr_short(dev, ntohs(addr_long.uint16[0].u16));
 
-    /* set default PAN id */
-    at86rf2xx_set_pan(dev, AT86RF2XX_DEFAULT_PANID);
     /* set default channel */
     at86rf2xx_set_chan(dev, AT86RF2XX_DEFAULT_CHANNEL);
     /* set default TX power */

drivers/include/at86rf2xx.h

@@ -67,13 +67,6 @@ extern "C" {
 #endif
 /** @} */
 
-/**
- * @brief   Default PAN ID
- *
- * @todo    Read some global network stack specific configuration value
- */
-#define AT86RF2XX_DEFAULT_PANID         (IEEE802154_DEFAULT_PANID)
-
 /**
  * @brief   Default TX power (0dBm)
  */