fix(README): remove <register> from prompt and onkey commands
fix(README): remove <register> from prompt and onkey commands

alexherbo2/kakoune,ekie/kakoune,jkonecny12/kakoune,Somasis/kakoune,lenormf/kakoune,casimir/kakoune,ekie/kakoune,Somasis/kakoune,mawww/kakoune,casimir/kakoune,Somasis/kakoune,Somasis/kakoune,casimir/kakoune,lenormf/kakoune,occivink/kakoune,ekie/kakoune,occivink/kakoune,alexherbo2/kakoune,jkonecny12/kakoune,mawww/kakoune,jkonecny12/kakoune,lenormf/kakoune,casimir/kakoune,danr/kakoune,occivink/kakoune,ekie/kakoune,danr/kakoune,danr/kakoune,jjthrash/kakoune,occivink/kakoune,danr/kakoune,jjthrash/kakoune,jjthrash/kakoune,alexherbo2/kakoune,mawww/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,lenormf/kakoune,jjthrash/kakoune,mawww/kakoune