Revert "Don't pass invalid Unicode codepoint to Skia"

After update to HarfBuzz 0.9.33 we don't need this anymore.  HarfBuzz takes care of invalid input and passes U+FFFD to us.

This reverts commit 4422f4dd941628ad289bcabc75fbd788d37415f6.

Change-Id: Icfd0dc836a8d684fb1723fc215aa01f99639ff59
1 file changed
tree: 8d28e1c94e282b57a7df8f3064748dbd1b38825e
  1. include/
  2. libs/
  3. sample/