fix: remove npm-use-webauthn header (#53)

The 'npm-auth-type' header set in the 'npm-registry-fetch' package will be used instead.

Author: jumoel

lib/index.js

@@ -61,9 +61,6 @@ const webAuth = (opener, opts, body) => {
     ...opts,
     method: 'POST',
     body,
-    headers: {
-      'npm-use-webauthn': opts.authType === 'webauthn',
-    },
   }).then(res => {
     return Promise.all([res, res.json()])
   }).then(([res, content]) => {