Remove build warnings

src/Vg.cpp

@@ -588,7 +588,7 @@ void Vg::update_state()
  *      method: Vg::register_name
  */
 //+------------------------------------------------------------------
-void Vg::register_name() throw(Tango::DevFailed)
+void Vg::register_name()
 {
 	INFO_STREAM << "Vg::register_name(" << device_name << ","
 			<< channel << ")  - " << device_name << endl;
@@ -613,7 +613,7 @@ void Vg::register_name() throw(Tango::DevFailed)
  *      method: Vg::unregister_name
  */
 //+------------------------------------------------------------------
-void Vg::unregister_name() throw(Tango::DevFailed)
+void Vg::unregister_name()
 {
 	INFO_STREAM << "Vg::unregister_name(" << device_name << ","
 			<< channel << ")  - " << device_name << endl;

src/Vg.h

@@ -191,8 +191,8 @@ public:
 
 	 bool update_allowed();
 	 void update_state();
-	 void register_name() throw(Tango::DevFailed);
-	 void unregister_name() throw(Tango::DevFailed);
+	 void register_name();
+	 void unregister_name();
 	 void exception_handler(Tango::DevFailed &, Tango::DevState, const std::string);
 
 	/*----- PROTECTED REGION END -----*/	//	Vg::Additional Method prototypes