Oops, remove extra mask setting that broke complex shaping

src/hb-ot-shape.cc

@@ -88,8 +88,6 @@ hb_ot_shape_setup_masks (hb_ot_shape_context_t *c)
 
   hb_ot_shape_complex_setup_masks (c);
 
-  c->buffer->reset_masks (global_mask);
-
   for (unsigned int i = 0; i < c->num_user_features; i++)
   {
     const hb_feature_t *feature = &c->user_features[i];