install: removed obsolete comment
install: removed obsolete comment

This is obviously no longer experimental, and I'm not sure this comment
belongs here anymore.

evocateur/npm,DIREKTSPEED-LTD/npm,evanlucas/npm,thomblake/npm,xalopp/npm,kemitchell/npm,kemitchell/npm,TimeToogo/npm,midniteio/npm,princeofdarkness76/npm,DIREKTSPEED-LTD/npm,kimshinelove/naver-npm,DaveEmmerson/npm,princeofdarkness76/npm,Volune/npm,rsp/npm,thomblake/npm,yibn2008/npm,lxe/npm,kimshinelove/naver-npm,ekmartin/npm,Volune/npm,lxe/npm,DaveEmmerson/npm,DIREKTSPEED-LTD/npm,cchamberlain/npm,yodeyer/npm,haggholm/npm,chadnickbok/npm,chadnickbok/npm,cchamberlain/npm,yodeyer/npm,haggholm/npm,misterbyrne/npm,segrey/npm,xalopp/npm,evocateur/npm,midniteio/npm,TimeToogo/npm,thomblake/npm,yibn2008/npm,TimeToogo/npm,rsp/npm,misterbyrne/npm,midniteio/npm,segrey/npm,DaveEmmerson/npm,haggholm/npm,cchamberlain/npm,cchamberlain/npm-msys2,evanlucas/npm,chadnickbok/npm,lxe/npm,princeofdarkness76/npm,misterbyrne/npm,ekmartin/npm,kimshinelove/naver-npm,ekmartin/npm,xalopp/npm,Volune/npm,yodeyer/npm,yibn2008/npm,segrey/npm,evanlucas/npm,cchamberlain/npm-msys2,evocateur/npm,cchamberlain/npm-msys2,kemitchell/npm,rsp/npm