Drop deprecated route.url()

[asvetlov]

Was deprecated by aiohttp 1.1

[codecov-io]

Codecov Report

Merging #2501 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2501      +/-   ##
==========================================
- Coverage   97.14%   97.13%   -0.01%     
==========================================
  Files          39       39              
  Lines        8098     8076      -22     
  Branches     1416     1415       -1     
==========================================
- Hits         7867     7845      -22     
  Misses         99       99              
  Partials      132      132

Impacted Files	Coverage Δ
aiohttp/web_urldispatcher.py	99.31% <ø> (-0.03%)	⬇️

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[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