Remove unused breedable api call

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -329,7 +329,6 @@ function mobs:register_mob(name, def)
 		lifetimer = 30, --30 seconds
 
 		--breeding stuff
-		breedable = def.breedable,
 		breed_timer = 0,
 		breed_lookout_timer = 0,
 		breed_distance = def.breed_distance or 1.5, --how far away mobs have to be to begin actual breeding

mods/ENTITIES/mobs_mc/cow+mooshroom.lua

@@ -78,7 +78,6 @@ local cow_def = {
 			return
 		end
 	end,
-	breedable = true,
 	breed_distance = 1.5,
 	baby_size = 0.5,
 	follow_distance = 2,