Saturday's little bit of progress

Today's accomplishments included removing the old (circa 1952) phone jack and related wiring from the baseboard and floor so it wouldn't be in the way of the new floor, and beginning to take down the various other things attached to the walls such as the magnetic bar to hold knives, the clips for the grids I don't want any more, etc. Also bought spackle and sandpaper. I wonder if I must remove the plastic plugs where screws were and if so how to do it, short of demolishing the wall. And what about the box for the old, broken door chime--is it still connected to anything, however shakily? Is there electricity running loose up there still, or can I safely rip it from the wall?

No more pictures yet--still having problems uploading them.