Remove unneeded packaging files

[NicolasHug]

Closes #3617

This PR removes some unneeded packaging files

Original post says we can remove all scripts in packaging/conda/ but they all seem to be scripts. Should we remove the directory altogether?

[codecov]

Codecov Report

Merging #3618 (6d9560f) into master (226126b) will not change coverage.
The diff coverage is n/a.

❗ Current head 6d9560f differs from pull request most recent head f97b940. Consider uploading reports for the commit f97b940 to get more accurate results

@@           Coverage Diff           @@
##           master    #3618   +/-   ##
=======================================
  Coverage   79.68%   79.68%           
=======================================
  Files         105      105           
  Lines        9822     9822           
  Branches     1582     1582           
=======================================
  Hits         7827     7827           
  Misses       1517     1517           
  Partials      478      478           

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[fmassa]

@peterjc123 could you have a look to double-check that this was what you had in mind?

[peterjc123]

Original post says we can remove all scripts in packaging/conda/ but they all seem to be scripts. Should we remove the directory altogether?

Sure, please do that.

[peterjc123]

@peterjc123 could you have a look to double-check that this was what you had in mind?

Yeah.

[peterjc123]

I think the changes look good. @fmassa Please merge if the builds are green.

[fmassa]

Thanks!