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

This reverts commit c493d651db02d8d3885e65798ef82b2b0381513b.

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