Revert "reuse working smartclt cmd"

This reverts commit 84a2da8bc2.

include/drive.h

@@ -45,7 +45,6 @@ private:
     double d32TaskPercentage = 0U;     // in percent for Shred (1 to 100)
     time_t u32TimestampTaskStart = 0U; // unix timestamp for duration of an action
     time_t u32TaskDuration = 0U;       // time needed to complete the task
-    string desiredSmartctlCommand;     //command used to gather S.M.A.R.T. values from drive
 
     struct
     {
@@ -78,7 +77,6 @@ public:
     uint32_t getPowerOnHours(void); // in hours
     uint32_t getPowerCycles(void);
     uint32_t getTemperature(void); // in Fahrenheit, just kidding: degree Celsius
-    
     void checkFrozenDrive(void);
 
     void setDriveSMARTData(string modelFamily,
@@ -102,9 +100,6 @@ public:
     void setActionStartTimestamp();
     time_t getActionStartTimestamp();
 
-    void setSmartcltCommand(string cmd);
-    string getSmartcltCommand(void);
-
     void calculateTaskDuration();
     time_t getTaskDuration();
 };