PIIODevice registration dramatically optimization

libs/main/io_devices/piserial.h

@@ -31,7 +31,7 @@
 
 class PIP_EXPORT PISerial: public PIIODevice
 {
-	PIIODEVICE(PISerial)
+	PIIODEVICE(PISerial, "ser")
 public:
 	
 	//! Contructs an empty %PISerial
@@ -231,7 +231,6 @@ public:
 //! \}
 	
 protected:
-	PIString fullPathPrefix() const {return PIStringAscii("ser");}
 	PIString constructFullPathDevice() const;
 	void configureFromFullPathDevice(const PIString & full_path);
 	PIPropertyStorage constructVariantDevice() const;