Drop md5 and sha1 fingerprints

[asvetlov]

Fix #2267

[codecov-io]

Codecov Report

Merging #2535 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2535      +/-   ##
==========================================
- Coverage   97.18%   97.18%   -0.01%     
==========================================
  Files          40       40              
  Lines        8202     8199       -3     
  Branches     1441     1441              
==========================================
- Hits         7971     7968       -3     
  Misses         99       99              
  Partials      132      132

Impacted Files	Coverage Δ
aiohttp/connector.py	97.64% <100%> (-0.01%)	⬇️
aiohttp/client_reqrep.py	97.19% <100%> (-0.01%)	⬇️

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[asvetlov]

@kxepal thanks

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a [new issue] for related bugs.
If you feel like there's important points made in this discussion, please include those exceprts into that [new issue].
[new issue]: https://github.com/aio-libs/aiohttp/issues/new