Shortcuts cleanup

[p1c2u]

No description provided.

[codecov]

Codecov Report

Merging #179 into master will decrease coverage by 0.15%.
The diff coverage is 98.93%.

@@            Coverage Diff             @@
##           master     #179      +/-   ##
==========================================
- Coverage   96.62%   96.46%   -0.16%     
==========================================
  Files          71       78       +7     
  Lines        1719     1756      +37     
==========================================
+ Hits         1661     1694      +33     
- Misses         58       62       +4

Impacted Files	Coverage Δ
openapi_core/schema/shortcuts.py	100% <100%> (ø)
openapi_core/shortcuts.py	100% <100%> (ø)	⬆️
openapi_core/testing/requests.py	100% <100%> (ø)
openapi_core/testing/responses.py	100% <100%> (ø)
openapi_core/testing/factories.py	100% <100%> (ø)
openapi_core/testing/mock.py	100% <100%> (ø)	⬆️
openapi_core/validation/response/shortcuts.py	100% <100%> (ø)
openapi_core/testing/datatypes.py	100% <100%> (ø)
openapi_core/validation/request/shortcuts.py	96.77% <96.77%> (ø)
openapi_core/schema/schemas/_format.py	85.29% <0%> (-4.42%)	⬇️
... and 7 more

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