Commit 7987095e64e52b509661828aeadabe0b27bba0d0

Behdad Esfahbod 2019-01-09T01:02:38

[meta] Remove hb_enable_if_t It was only used for C++<11 which does not allow default parameters in function templates. Looks like we cannot support <11 anyway, so, start cleaning up.