util.stanza: Remove dead code
These cases are caught by `check_text(v, ..)` above. Those errors do not
contain the attribute however, which would have been nice.
root = true
[*]
end_of_line = lf
indent_style = tab
insert_final_newline = true
trim_trailing_whitespace = true
[CHANGES]
indent_size = 4
indent_style = space
[configure]
indent_size = 3
indent_style = space
[**.xml]
indent_size = 2
indent_style = space