Removed the following:
    DSO_bind_var, DSO_bind_var, DSO_get_default_method,
    DSO_get_loaded_filename, DSO_get_loaded_filename, DSO_get_method,
    DSO_new_method, DSO_pathbyaddr, DSO_set_default_method, DSO_set_method,
    DSO_set_name_converter, DSO_set_name_converter
Reviewed-by: NRichard Levitte <levitte@openssl.org>