Remove DW_OP_lo_user and DW_OP_hi_user
Remove DW_OP_lo_user and DW_OP_hi_user

These constants aren't needed to evaluate a DWARF expression, and the
presence of DW_OP_lo_user prevented the addition of
DW_OP_GNU_push_tls_address, because it also has the value 0xe0.

gimli-rs/gimli,gimli-rs/gimli