ci: remove the continuous fuzzing job (#3845)
ci: remove the continuous fuzzing job (#3845)

Between Github Actions deprecting a command we use[0] and Fuzzit planning to deprecate their standalone service after being acquired by Gitlab[1][2], there are no reasons to keep this job.

[0] https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/

[1] https://about.gitlab.com/press/releases/2020-06-11-gitlab-acquires-peach-tech-and-fuzzit-to-expand-devsecops-offering.html

[2] https://fuzzit.dev/2020/06/11/news-fuzzit-is-acquired-by-gitlab/
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