Revert "Moved received signal quality metrics back inside Si4735 class"

- this reverts commit 65a6012.
- since pointer problems were traced to Wire, this has proven unnecessarry.

Si4735.cpp

@@ -294,7 +294,6 @@ Si4735::Si4735(byte interface, byte pinPower, byte pinReset, byte pinGPO2,
     _pinReset = pinReset;
     _pinGPO2 = pinGPO2;
     _pinSEN = pinSEN;
-    memset((void *)&_rsqm, 0x00, sizeof(_rsqm));
     switch(interface){
         case SI4735_INTERFACE_SPI:
             _i2caddr = 0x00;
@@ -608,16 +607,14 @@ void Si4735::getRSQ(Si4735_RX_Metrics* RSQ){
     getResponse(_response);    
 
     //Pull the response data into their respecive fields
-    _rsqm.RSSI = _response[4];
-    _rsqm.SNR = _response[5];
+    RSQ->RSSI = _response[4];
+    RSQ->SNR = _response[5];
     if(_mode == SI4735_MODE_FM){
-        _rsqm.PILOT = _response[3] & SI4735_STATUS_PILOT;
-        _rsqm.STBLEND = (_response[3] & (~SI4735_STATUS_PILOT));
-        _rsqm.MULT = _response[6];
-        _rsqm.FREQOFF = _response[7];
+        RSQ->PILOT = _response[3] & SI4735_STATUS_PILOT;
+        RSQ->STBLEND = (_response[3] & (~SI4735_STATUS_PILOT));
+        RSQ->MULT = _response[6];
+        RSQ->FREQOFF = _response[7];
     }
-
-    *RSQ = _rsqm;
 }
 
 bool Si4735::volumeUp(void){

Si4735.h

@@ -677,7 +677,6 @@ class Si4735
              _pinSEN;
         byte _mode, _response[16], _i2caddr;
         bool _haverds;
-        Si4735_RX_Metrics _rsqm;
 
         /*
         * Description: