[ppapi] Remove PPB_TrueTypeFont resource.

- UMA shows this interface has no usage.

Change-Id: Ifcb68620aceab0d8a857b4a3a0c768990bf47905
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1546762
Commit-Queue: Bill Budge <bbudge@chromium.org>
Reviewed-by: Raymes Khoury <raymes@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Sam Clegg <sbc@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#652404}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a10bfe51237589f382d894a35c9301f84a8e6b53
33 files changed