removed show-documentation subcommand

[thomaskrause]

No description provided.

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (0cec57f) 79.74% compared to head (1964b2a) 79.69%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #162      +/-   ##
==========================================
- Coverage   79.74%   79.69%   -0.06%     
==========================================
  Files          30       29       -1     
  Lines        9163     9075      -88     
  Branches     9163     9075      -88     
==========================================
- Hits         7307     7232      -75     
+ Misses        812      805       -7     
+ Partials     1044     1038       -6     

Files	Coverage Δ
src/bin/annatto.rs	93.97% <ø> (+4.32%)	⬆️
src/exporter/graphml.rs	63.83% <ø> (ø)
src/importer/conllu/mod.rs	75.36% <ø> (ø)
src/importer/exmaralda/mod.rs	87.07% <ø> (ø)
src/importer/graphml.rs	78.30% <ø> (ø)
src/importer/meta.rs	77.92% <ø> (ø)
src/importer/ptb.rs	77.17% <ø> (ø)
src/importer/textgrid.rs	78.65% <ø> (ø)
src/importer/xlsx.rs	86.78% <ø> (ø)
src/lib.rs	68.67% <ø> (ø)
... and 7 more

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