Do not include aliases in command completion candidates anymore
Do not include aliases in command completion candidates anymore

Fuzzy matching makes it redundant.
Closes #817

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