You must be new here. These taunts (that I've labelled "old taunts" in this thread) were iconic for Víkingr, and much fun was had trying to figure out what they were saying.
The taunts were indeed taken from said flash game, and removed for that reason when the old developers released their final version - I believe they were unable to get into contact with the creators and thus get the proper rights to use the sounds. In this "Community Release", I decided to put them back in to reach back to a more glorious time of Víkingr; I did not think to make any new credits aside from the old ones (since very little was done to the core module), but I shall remedy that by mentioning the source of the taunts.
It's good that we've got perceptive people like you who can cry out when there's a lack of credit.