Go back to default codecov settings

[nylen]

Follow-up to #2054.

curl --data-binary @codecov.yml https://codecov.io/validate

This command documented here revealed some errors. The desired result for now is that Codecov.io shows up as a commit status like Travis but does not leave comments on PRs.

[nylen]

Let's leave as-is for now:

• GitHub commit statuses are not working, I think an admin needs to do https://github.com/integration/codecov
• Codecov comments are more useful & less spammy, see Inserter Menu: Add unit tests #2018 (comment)

[nylen]

... and by "leave as-is", what I really meant was "go back to the default settings".

[codecov-io]

Codecov Report

Merging #2055 into master will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #2055      +/-   ##
=========================================
+ Coverage   18.82%   18.9%   +0.08%     
=========================================
  Files         129     130       +1     
  Lines        4197    4215      +18     
  Branches      716     719       +3     
=========================================
+ Hits          790     797       +7     
- Misses       2868    2878      +10     
- Partials      539     540       +1

Impacted Files	Coverage Δ
blocks/library/more/index.js	30% <0%> (ø)
blocks/api/serializer.js	100% <0%> (+3.03%)	⬆️
blocks/library/quote/index.js	18.6% <0%> (+4.31%)	⬆️

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[nylen]

☝️ there are some configuration settings for these comments documented at https://docs.codecov.io/docs/pull-request-comments.