Commit 20a11a824d2a07a8544649477ad03e809bdd8e19

Behdad Esfahbod 2018-09-10T13:56:28

Revert "[subset] Disable GSUB/GPOS subsetting for now" This reverts commit 616fd34a69bb69bc35c7e4ea939e71c3ea2e92cb.