[CTRLRFC-1594] Apply memorized dynamic attributes at init

See CTRLRFC-1594

src/SingleShotAO.h

@@ -282,7 +282,6 @@ protected :
   //- \param property_name Name to use.
   template <class T>
   void store_value_as_property(T value, std::string property_name)
-    throw (Tango::DevFailed)
   {
     Tango::DbDatum current_value(property_name);
     current_value << value;
@@ -308,7 +307,6 @@ protected :
   //- \param property_name Name od the property to read.
   template <class T>
   T get_memorized_attribute(const std::string& property_name)
-    throw (Tango::DevFailed)
   {
     T value;
     if (!Tango::Util::instance()->_UseDb)