So I tackled the process today, got a 1/8" cobalt drill bit and went at it. Some came out easier than others, I eventually cut around the holster to try an make it a bit easier. There aren't really pictures I took that can be of any good help, I just drilled the top of the rivet until they popped out. Like I said some came out easier, I had one that was a bit tricky. I made sure not to get it too hot and with some patience it came out after awhile.
Just an FYI this kit was not mine. In the state I got it, it was clear it was older than it appeared and its condition was to say well worn. I have been trying to restore it but with all the money and work, not to mention replacements, I could have honestly just bought a new one but you live and learn. With that being said, its probably best I get a new holster. Not that I botched drilling out the rivets, but that this one is showing its age. For anyone else trying to do this you will most likely have a better result than me, worked out great with everyone's advice.