Butchering your own bird isn't difficult, especially if you don't mind cutting it into pieces rather than a whole bird, and faster yet if you don't mind sacrificing the skin (eliminates the need to scald & pluck feathers).
In future, and until you are comfortable with raising your livestock with the full intention of processing them for your dinner table, name them things that remind you of food. A-la-king, A-la-orange, Omelet, Kay-Ef-Cee, you get the idea. It is totally possible to lovingly care for your cockerels up to the bitter end. Be pleased with the knowledge that you raised them with dignity, respect and compassion; knowing that you offered them a life far superior to that found at any big-chicken-farm-for-meat establishment.
If after all is said and done, you still cannot bring yourself to process your own meat from them, you may wish to find someone that will process them for you; you might even be able to offer them x-number of birds in exchange for their labor.