auth: Remove outdated comment for parse_auth_choice()
auth: Remove outdated comment for parse_auth_choice()

We do offer <select> choices to the user (and have for some time).

Signed-off-by: Kevin Cernekee <3105dbb3dd63fbb4f6371cfb04adc6726f76c56b@gmail.com>

don-johnny/openconnect,neshema/openconnect,matlockx/openconnect,chadcatlett/openconnect,lins05/openconnect,mveplus/openconnect-client,cernekee/openconnect,brandt/openconnect,lins05/openconnect,mtmiller/openconnect,neshema/openconnect,matlockx/openconnect,chadcatlett/openconnect,neshema/openconnect,liiir1985/openconnect,mveplus/openconnect-client,lins05/openconnect,liiir1985/openconnect,atyndall/openconnect,don-johnny/openconnect,cernekee/openconnect,chadcatlett/openconnect,neshema/openconnect,brandt/openconnect,atyndall/openconnect,chadcatlett/openconnect,matlockx/openconnect,nmav/openconnect-mine,nmav/openconnect-mine,cernekee/openconnect,lins05/openconnect,atyndall/openconnect,liiir1985/openconnect,mveplus/openconnect-client,brandt/openconnect,don-johnny/openconnect,atyndall/openconnect,mtmiller/openconnect,brandt/openconnect,liiir1985/openconnect,mtmiller/openconnect,cernekee/openconnect,don-johnny/openconnect,mveplus/openconnect-client,nmav/openconnect-mine,matlockx/openconnect,mtmiller/openconnect,nmav/openconnect-mine