harfbuzz: remove extra settings export now that WebKit is fixed
harfbuzz: remove extra settings export now that WebKit is fixed

WebKit was relying on Skia to export Harfbuzz include paths.
Now that WebKit is fixed to explicitly depend on Harfbuzz,
we can remove the Skia export.

BUG=68551
TEST=still compiles

Review URL: http://codereview.chromium.org/6063008

git-svn-id: http://src.chromium.org/svn/trunk/src@70536 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6f6e679cc6b8acca1b31a0c33cab299cff902a45
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser