I would personally like to see the Sith eyes go, Maul's eyes were part of his body. They are naturally part of him and his design. Dooku never has Sith eyes thank god. Anakin randomly has Sith eyes in Epi3 while looking at the camera, you george's way of saying:

''Look kids Anakin has yellow eyes, he has now turned evil!''

Palpatine having yellow eyes was good but wouldnt fit in with the rest if all other yellow eyes went. I never imagined Palpatine changing by electricution, I always assumed from epi2 and the OT that he was an evil decaying body by epi6. That it was the force keeping him alive. I'm never gonna put my finger near a socket again, you know, just in case i might turn wrinkly and it spoils my lovely blue eyes haha.