Remove unused ICU include from SkShaper_harfbuzz

SkShaper_harfbuzz should be relying solely on the icu module for
icu like things, and this include is no longer used.

Change-Id: I7b247d9de30646c0002ed8380a96b9a86d84baf7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/432998
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@google.com>
1 file changed