We're not interested in the profiling, but the actual tests.
They currently log a warning, because upstream does not test them in
their CI and the lexer/parser artifacts are out of date¹.
[1] https://github.com/antlr/antlr4/issues/4041
The `buildPython*` function computes name from `pname` and `version`.
This change removes `name` attribute from all expressions in
`pkgs/development/python-modules`.
While at it, some other minor changes were made as well, such as
replacing `fetchurl` calls with `fetchPypi`.
