Remove SVG fonts

This patch removes SVG fonts in all platforms, as was discussed in
https://groups.google.com/a/chromium.org/d/msg/blink-dev/pYbbUcYvlYY/LQvFvM8KZZEJ

BUG=242735

Review URL: https://codereview.chromium.org/656913006

git-svn-id: svn://svn.chromium.org/blink/trunk@184321 bbb929c8-8fbe-4397-9dbb-9b2b20218538