Delete the size class.
This function deletes any values for the specified size class.
Deleting the size class will revert it to the values defined by Efl.Gfx.Size_Class.size_class.set() or the size class defined in the theme file.
size_class_del @pure_virtual {
params {
@in size_class: string;
}
}
void efl_gfx_size_class_del(Eo *obj, const char *size_class);