chore: remove airbnb (#12557)

.eslintrc.js

lib/datasource/datasource.ts

lib/datasource/docker/types.ts

lib/manager/gradle/shallow/extract.spec.ts

lib/manager/terraform/common.ts

lib/manager/terragrunt/common.ts

lib/types/branch-status.ts

lib/workers/global/config/parse/env.spec.ts

package.json

yarn.lock