Do not override pytest's report_collect

[blueyed]

With 3.10.0 it will write "collecting ..." now always, and I think it is
good to see progress here.
This uses to be rather slow (because it printed a lot), which has been
fixed (only prints every 0.5s).

Ref: pytest-dev/pytest#4225

[codecov-io]

Codecov Report

Merging #165 into master will decrease coverage by 0.89%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #165     +/-   ##
=========================================
- Coverage   87.47%   86.58%   -0.9%     
=========================================
  Files           2        2             
  Lines         479      477      -2     
  Branches       85       85             
=========================================
- Hits          419      413      -6     
- Misses         35       39      +4     
  Partials       25       25

Impacted Files	Coverage Δ
pytest_sugar.py	82.64% <ø> (-0.11%)	⬇️
test_sugar.py	96.35% <0%> (-2.92%)	⬇️

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[Teemu]

Hey 👋

Thank you for your PR! I am going through the old PRs in this repository and closing them since a long time has passed since the opening and they may not be that relevant anymore. If you still wish to continue with this pull request, let me know and we can re-open it.

Teemu

[Teemu]

This actually seems simple enough that I might look into it myself

[Teemu]

Rebased to another PR so we can run CI ^