By tapping bolt on tie rod end you won't get anywhere. You will just ruin threads. And it does require some force to pop out.

3 things you can do:
1. Use proper ball joint remover ($100 tool) - this is what I do.
2. Use pickle fork and probably distroying boot
3. Try it with 2 hammers. It probably WILL work if you know how to.
Place 1 hammer behind and hit with other hammer on a side of hub around where tie rod tapered threaded bolt goes through. The idea is to cause temporary deformation and make hub push tie rod end out. I hope I described more or less clearly