Revert "Make 404 responses compatible with CouchDB API"

This reverts commit dabf5e1.

See discussion in #57

lib/index.js

@@ -64,15 +64,7 @@ module.exports = function(config_hash) {
 			if (err.status && err.status >= 400 && err.status < 600) {
 				if (calls == 1) {
 					res.status(err.status)
-					var body = {error: err.msg || err.message || 'unknown error'};
-
-					// Make 404 responses compliant with CouchDB REST API
-					if (err.status == 404) {
-						body.reason = body.error
-						body.error = 'not_found'
-					}
-
-					res.send(body)
+					res.send({error: err.msg || err.message || 'unknown error'})
 				}
 			} else {
 				Logger.logger.error({err: err}, 'unexpected error: @{!err.message}\n@{err.stack}')