Cleanup RA procedure @ UE

- review/cleanup of commented out descriptions
- logging
- indentation
- spacing
- typos
- cleanup of unused RA_tx_frame, RA_tx_slot members

openair2/LAYER2/NR_MAC_UE/mac_defs.h

@@ -216,10 +216,6 @@ typedef struct {
   NR_BeamFailureRecoveryConfig_t RA_BeamFailureRecoveryConfig;
   /// Random-access backoff counter
   int16_t RA_backoff_indicator;
-  /// Random-access variable for window calculation (frame of last change in window counter)
-  uint32_t RA_tx_frame;
-  /// Random-access variable for window calculation (subframe of last change in window counter)
-  uint8_t RA_tx_subframe;
   /// Scheduled TX frame for RA Msg3
   frame_t msg3_frame;
   /// Scheduled TX slot for RA Msg3

openair2/LAYER2/NR_MAC_UE/rar_tools_nrUE.c

@@ -264,7 +264,7 @@ uint16_t nr_ue_process_rar(module_id_t mod_id,
       } else {
         rarh += sizeof(NR_MAC_RAR) + 1;
       }
-    };
+    }
 
     #ifdef DEBUG_RAR
     LOG_D(MAC, "[DEBUG_RAR] (%d,%d) number of RAR subheader %d; number of RAR pyloads %d\n", frame, slot, n_subheaders, n_subPDUs);