      api: undo go1.txt additions made by 27d0a516b7eb
      api: undo go1.txt additions made by 27d0a516b7eb

We don't change go1.txt.

R=golang-dev, bradfitz
CC=golang-dev
http://codereview.appspot.com/6206080

apparentlymart/golang,gnanderson/go,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,pombredanne/go-deleteme,tv42/old-go,gnanderson/go,dsriram/golang,tv42/old-go,apparentlymart/golang,tv42/old-go,dsriram/golang,apparentlymart/golang,pombredanne/go-deleteme,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,gnanderson/go,dsriram/golang,dsriram/golang,pombredanne/go-deleteme,dsriram/golang,gnanderson/go,tv42/old-go,gnanderson/go,apparentlymart/golang,tv42/old-go,tv42/old-go,apparentlymart/golang,gnanderson/go,gnanderson/go,dsriram/golang,dsriram/golang,pombredanne/go-deleteme