Fix lte-softmodem down, when eNB was received WRWR message from MME.

(cherry picked from commit a70935c2b135506eed72e4f00d28910a9ffc9dc6)

openair3/S1AP/s1ap_eNB_decoder.c

@@ -89,8 +89,6 @@ static int s1ap_eNB_decode_initiating_message(S1AP_S1AP_PDU_t *pdu) {
     default:
       S1AP_ERROR("Unknown procedure ID (%d) for initiating message\n",
                  (int)pdu->choice.initiatingMessage.procedureCode);
-      AssertFatal( 0, "Unknown procedure ID (%d) for initiating message\n",
-                   (int)pdu->choice.initiatingMessage.procedureCode);
       return -1;
   }