fix: Revert "feat: better docker versioning (#2742)"

lib/versioning/docker/index.js

lib/versioning/pep440/index.js

lib/versioning/semver-composer/index.js

lib/versioning/semver/index.js

lib/workers/repository/process/lookup/index.js

test/versioning/docker.spec.js

...epository/process/lookup/__snapshots__/index.spec.js.snap

test/workers/repository/process/lookup/index.spec.js