Modify the code to remove single drive class

Remove the class for single drive data fetching, and so we can modify
the monitor code to make sure we can handle multiple drives

monitor/oneUpMon.py

@@ -8,12 +8,12 @@ Requires: PyQt5 (including QtCharts)
 """
 
 import sys
-from systemsupport import systemData, CPULoad, multiDriveStat
+from systemsupport import CPUInfo, CPULoad, multiDriveStat
 
 # --------------------------
 # Globals
 # --------------------------
-sysdata = systemData()
+cpuinfo = CPUInfo()
 cpuload = CPULoad()
 multiDrive = multiDriveStat()
 
@@ -331,13 +331,13 @@ class MonitorWindow(QMainWindow):
             
         # Obtain the current fan speed
         try:
-            fan_speed = sysdata.fanSpeed
+            fan_speed = cpuinfo.CPUFanSpeed
         except Exception:
             fan_speed = None
 
         temperatures = []
         try:
-            temperatures.append( float(sysdata.CPUTemperature) )
+            temperatures.append( float(cpuinfo.temperature) )
         except Exception:
             temperatures.append( 0.0 )