✅🍱 Remove and replace SRTs from assets / tests

[Ousret]

Some SRTs included in sdist tar could be controversial in some countries.
Close #138

[codecov-commenter]

Codecov Report

Merging #139 (2ce744c) into master (b7fca11) will decrease coverage by 0.34%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #139      +/-   ##
==========================================
- Coverage   90.00%   89.66%   -0.35%     
==========================================
  Files          11       11              
  Lines        1171     1171              
==========================================
- Hits         1054     1050       -4     
- Misses        117      121       +4     

Impacted Files	Coverage Δ
charset_normalizer/cli/normalizer.py	70.65% <0.00%> (-3.27%)	⬇️
charset_normalizer/models.py	86.15% <0.00%> (-0.52%)	⬇️

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