Revert "[PDF] Fix font embedding restrictions."

This reverts r12600 and r12601, likely causing crash on Mac.

Review URL: https://codereview.chromium.org/111893002

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@12604 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/core.gyp b/core.gyp
index a74f0b2..868abea 100644
--- a/core.gyp
+++ b/core.gyp
@@ -23,7 +23,6 @@
         '../include/xml',
         '../src/core',
         '../src/opts',
-        '../src/sfnt',
         '../src/image',
       ],
       'sources': [