Revert "Add support for top-level "sh" auth"
Revert "Add support for top-level "sh" auth"

This reverts commit b78f61e03d9f0d8483d2acfaf1ab20c7ad81a3f6.

zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli,zeit/now-cli