doc: remove link to http://golanguage.ru/ I check it for several months and it always says ERR_NAME_RESOLUTION_FAILED
doc: remove link to http://golanguage.ru/
I check it for several months and it always says
ERR_NAME_RESOLUTION_FAILED

R=golang-dev, bradfitz
CC=golang-dev
http://codereview.appspot.com/5272041

h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang