Remove unused SkTypeface_android.h.

This file had one declaration in it which actually affected the
SkFontMgr and had nothing to do with typefaces specifically. As a
result, the declaration was moved to SkFontMgr_android.h. Now that
the users have been updated, remove this now unused file.

Review URL: https://codereview.chromium.org/1177173004
1 file changed