No more disabling of actions in the instance toolbar. It makes no sense.

logic/LegacyFTBInstance.cpp

@@ -14,11 +14,6 @@ QString LegacyFTBInstance::getStatusbarDescription()
 	return "Legacy FTB: " + intendedVersionId();
 }
 
-bool LegacyFTBInstance::menuActionEnabled(QString action_name) const
-{
-	return false;
-}
-
 QString LegacyFTBInstance::id() const
 {
 	return "FTB/" + BaseInstance::id();