Transceiver52M: Remove and rename oversampling variables

The transceiver only uses a single integer oversampling value,
which is more simply referred to as samples-per-symbol.

mRadioOversampling --> mSPS
mTransceiverOversampling (removed)

Signed-off-by: Thomas Tsou <tom@tsou.cc>
diff --git a/Transceiver52M/radioInterface.h b/Transceiver52M/radioInterface.h
index d1131c6..216cf3e 100644
--- a/Transceiver52M/radioInterface.h
+++ b/Transceiver52M/radioInterface.h
@@ -54,8 +54,6 @@
 
   int samplesPerSymbol;			      ///< samples per GSM symbol
   int receiveOffset;                          ///< offset b/w transmit and receive GSM timestamps, in timeslots
-  int mRadioOversampling;
-  int mTransceiverOversampling;
 
   bool mOn;				      ///< indicates radio is on
 
@@ -88,8 +86,7 @@
   /** constructor */
   RadioInterface(RadioDevice* wRadio = NULL,
 		 int receiveOffset = 3,
-		 int wRadioOversampling = SAMPSPERSYM,
-		 int wTransceiverOversampling = SAMPSPERSYM,
+		 int wSPS = SAMPSPERSYM,
 		 GSM::Time wStartTime = GSM::Time(0));
     
   /** destructor */