Remove notice about Chrome bug, as v12 has been released.

README.md

@@ -276,11 +276,6 @@ store must be registered with SetCustomStore to replace the default one.
 Bugs
 ----
 
-* [Not our bug] Google Chrome 10 plays unsigned 8-bit PCM WAVE
-audio on Mac with horrible distortions.  Issue:
-http://code.google.com/p/chromium/issues/detail?id=70730.
-This has been fixed, and version 12 will play them properly.
-
 * While Image conforms to io.WriterTo interface, its WriteTo
 method returns 0 instead of the actual bytes written because png.Encode
 doesn't report this.

audio.go

@@ -23,11 +23,6 @@ func init() {
 	endingBeepSound = changeSpeed(beepSound, 1.4)
 }
 
-// BUG(dchest): [Not our bug] Google Chrome 10 plays unsigned 8-bit PCM WAVE
-// audio on Mac with horrible distortions.  Issue:
-// http://code.google.com/p/chromium/issues/detail?id=70730.
-// This has been fixed, and version 12 will play them properly.
-
 type Audio struct {
 	body *bytes.Buffer
 	digitSounds [][]byte