Revert "Add a single version of signatureVerify that handles DSA/RSA/HMAC and a backwards compatible wrapper"
Revert "Add a single version of signatureVerify that handles DSA/RSA/HMAC and a backwards compatible wrapper"

This reverts commit 00c3914606f773546aa40c503e17ffc2e51087aa.

bsletten/node-http-signature