1998Toyota camry v6. I changed the spark plugs and I noticed oil in there. How does one remove the oil?

I was told to replace the valve gasket,but do I need to drain the motor oil too?1998Toyota camry v6. I changed the spark plugs and I noticed oil in there. How does one remove the oil?check your head gassket make sure it didnt break most the time when that happens it means somethings wrong with the head gassket