Remove unused SkAutoGlyphCache constructor

Change-Id: I63c391130beacba37ca42d9d3a8f2aeaf108a03e
Reviewed-on: https://skia-review.googlesource.com/113717
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed