Remove unused code in the IDO classes

fixes #12434

lib/db_ido/commanddbobject.cpp

@@ -46,10 +46,5 @@ Dictionary::Ptr CommandDbObject::GetConfigFields(void) const
 
 Dictionary::Ptr CommandDbObject::GetStatusFields(void) const
 {
-	return Empty;
-}
-
-void CommandDbObject::OnConfigUpdate(void)
-{
-	return;
+	return Dictionary::Ptr();
 }

lib/db_ido/commanddbobject.hpp

@@ -40,9 +40,6 @@ public:
 
 	virtual Dictionary::Ptr GetConfigFields(void) const override;
 	virtual Dictionary::Ptr GetStatusFields(void) const override;
-
-protected:
-	virtual void OnConfigUpdate(void) override;
 };
 
 }

lib/db_ido/dbobject.cpp

@@ -269,11 +269,6 @@ double DbObject::GetLastStatusUpdate(void) const
 	return m_LastStatusUpdate;
 }
 
-bool DbObject::IsStatusAttribute(const String&) const
-{
-	return false;
-}
-
 void DbObject::OnConfigUpdate(void)
 {
 	/* Default handler does nothing. */

lib/db_ido/dbobject.hpp

@@ -92,8 +92,6 @@ public:
 protected:
 	DbObject(const intrusive_ptr<DbType>& type, const String& name1, const String& name2);
 
-	virtual bool IsStatusAttribute(const String& attribute) const;
-
 	virtual void OnConfigUpdate(void);
 	virtual void OnStatusUpdate(void);
 

lib/db_ido/hostgroupdbobject.cpp

@@ -48,5 +48,5 @@ Dictionary::Ptr HostGroupDbObject::GetConfigFields(void) const
 
 Dictionary::Ptr HostGroupDbObject::GetStatusFields(void) const
 {
-	return Empty;
+	return Dictionary::Ptr();
 }

lib/db_ido/servicedbobject.cpp

@@ -171,11 +171,6 @@ Dictionary::Ptr ServiceDbObject::GetStatusFields(void) const
 	return fields;
 }
 
-bool ServiceDbObject::IsStatusAttribute(const String& attribute) const
-{
-	return (attribute == "last_result");
-}
-
 void ServiceDbObject::OnConfigUpdate(void)
 {
 	Service::Ptr service = static_pointer_cast<Service>(GetObject());

lib/db_ido/servicedbobject.hpp

@@ -45,8 +45,6 @@ public:
 	virtual Dictionary::Ptr GetStatusFields(void) const override;
 
 protected:
-	virtual bool IsStatusAttribute(const String& attribute) const override;
-
 	virtual void OnConfigUpdate(void) override;
 	virtual void OnStatusUpdate(void) override;
 };

lib/db_ido/servicegroupdbobject.cpp

@@ -47,5 +47,5 @@ Dictionary::Ptr ServiceGroupDbObject::GetConfigFields(void) const
 
 Dictionary::Ptr ServiceGroupDbObject::GetStatusFields(void) const
 {
-	return Empty;
+	return Dictionary::Ptr();
 }

lib/db_ido/userdbobject.cpp

@@ -140,8 +140,3 @@ void UserDbObject::OnConfigUpdate(void)
 		}
 	}
 }
-
-bool UserDbObject::IsStatusAttribute(const String& attribute) const
-{
-	return (attribute == "last_notification");
-}

lib/db_ido/userdbobject.hpp

@@ -42,8 +42,6 @@ public:
 	virtual Dictionary::Ptr GetStatusFields(void) const override;
 
 	virtual void OnConfigUpdate(void) override;
-
-	virtual bool IsStatusAttribute(const String& attribute) const override;
 };
 
 }

lib/db_ido/usergroupdbobject.cpp

@@ -45,5 +45,5 @@ Dictionary::Ptr UserGroupDbObject::GetConfigFields(void) const
 
 Dictionary::Ptr UserGroupDbObject::GetStatusFields(void) const
 {
-	return Empty;
+	return Dictionary::Ptr();
 }