minor cleanups in insert_completer.cc
minor cleanups in insert_completer.cc

zakgreant/kakoune,elegios/kakoune,danielma/kakoune,alpha123/kakoune,lenormf/kakoune,occivink/kakoune,occivink/kakoune,mawww/kakoune,mawww/kakoune,jkonecny12/kakoune,alpha123/kakoune,jjthrash/kakoune,alexherbo2/kakoune,Asenar/kakoune,danr/kakoune,danr/kakoune,danielma/kakoune,rstacruz/kakoune,casimir/kakoune,zakgreant/kakoune,alpha123/kakoune,casimir/kakoune,mawww/kakoune,ekie/kakoune,xificurC/kakoune,rstacruz/kakoune,danielma/kakoune,casimir/kakoune,danr/kakoune,elegios/kakoune,alpha123/kakoune,rstacruz/kakoune,occivink/kakoune,xificurC/kakoune,Somasis/kakoune,alexherbo2/kakoune,flavius/kakoune,ekie/kakoune,Somasis/kakoune,flavius/kakoune,jjthrash/kakoune,alexherbo2/kakoune,flavius/kakoune,mawww/kakoune,ekie/kakoune,xificurC/kakoune,zakgreant/kakoune,alexherbo2/kakoune,Asenar/kakoune,elegios/kakoune,Asenar/kakoune,lenormf/kakoune,occivink/kakoune,Asenar/kakoune,elegios/kakoune,jkonecny12/kakoune,casimir/kakoune,lenormf/kakoune,ekie/kakoune,Somasis/kakoune,rstacruz/kakoune,danielma/kakoune,flavius/kakoune,zakgreant/kakoune,jjthrash/kakoune,jkonecny12/kakoune,jkonecny12/kakoune,xificurC/kakoune,jjthrash/kakoune,lenormf/kakoune,danr/kakoune,Somasis/kakoune