refactor: remove getRepoStatus from platform (#6672)

lib/manager/bundler/artifacts.spec.ts

lib/manager/bundler/artifacts.ts

lib/manager/cocoapods/artifacts.spec.ts

lib/manager/cocoapods/artifacts.ts

lib/manager/composer/artifacts.spec.ts

lib/manager/composer/artifacts.ts

lib/manager/gomod/artifacts.spec.ts

lib/manager/gomod/artifacts.ts

lib/manager/gradle-wrapper/artifacts-real.spec.ts

lib/manager/gradle-wrapper/artifacts.spec.ts

lib/manager/gradle-wrapper/artifacts.ts

lib/manager/npm/post-update/index.ts

lib/manager/pipenv/artifacts.spec.ts

lib/manager/pipenv/artifacts.ts

lib/platform/__snapshots__/index.spec.ts.snap

lib/platform/azure/index.spec.ts

lib/platform/azure/index.ts

lib/platform/bitbucket-server/index.ts

lib/platform/bitbucket/__snapshots__/index.spec.ts.snap

lib/platform/bitbucket/index.spec.ts