You can remove the spurs by moistening them with Vaseline or cooking oil first, then take some pliers, grasping the spur at the base, and twist. The spur is like a hollow horn, and it will slip right off, exposing a soft fleshy, small spur underneath. This won't hurt the roo, and there should be little or no bleeding involved. It takes about a year for the horny outer spur to grow back. When it does, repeat the process.
It's best for the hens and for the humans who may come into contact with the rooster to have the spurs removed. I have a friend who was badly injured when flogged by his rooster and has deep scars, and this forum occasionally has a story about a rooster mangling a hen so badly when mating that the hen was ripped open by the spurs and died.
You can also file the spurs down, but I think it's quicker and easier to remove them.