Remove unused definition

Daniel Jäckle · Daniel Jäckle · commit 0f02342d20f0 · 2017-08-03T13:07:19.000+02:00
diff --git a/src/mac/LoRaMac.h b/src/mac/LoRaMac.h
@@ -97,11 +97,6 @@
  */
 #define MAX_ACK_RETRIES                             8
 
-/*!
- * RSSI free threshold [dBm]
- */
-#define RSSI_FREE_TH                                ( int8_t )( -90 )
-
 /*!
  * Frame direction definition for up-link communications
  */
