fix!: Remove Kurono references, URLs and functionality

[faucomte97]

This change is 

[SKairinos]

Reviewed 55 of 56 files at r1, all commit messages.
Reviewable status: 55 of 56 files reviewed, 2 unresolved discussions (waiting on @faucomte97)

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setup.py line 34 at r1 (raw file):

        "pyyaml==5.4.1",
        "importlib-metadata==4.13.0",
        # "rapid-router>=4",

reminder to uncomment

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.github/workflows/ci.yml line 33 at r1 (raw file):

          pipenv install --dev --system
          yarn --frozen-lockfile
          pip install -U "git+https://github.com/ocadotechnology/rapid-router@remove_kurono#egg=rapid-router"

reminder to delete

[SKairinos]

Reviewed 1 of 56 files at r1.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @faucomte97)

[faucomte97]

Reviewable status: 53 of 56 files reviewed, 2 unresolved discussions (waiting on @SKairinos)

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setup.py line 34 at r1 (raw file):

Previously, SKairinos (Stefan Kairinos) wrote…

reminder to uncomment

Done.

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.github/workflows/ci.yml line 33 at r1 (raw file):

Previously, SKairinos (Stefan Kairinos) wrote…

reminder to delete

Done.

[SKairinos]

Reviewed 14 of 14 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @faucomte97)