Exception Handler left over on docs

[GeoSot]

Commit a616a50#diff-f55db4bc294bbb90108ccfcbdd11881f4707473ad9384b382e2a6b653e118471 removed exception_handler configuration,
but this docs reference https://restify.binarcode.com/quickstart#exception-handling is left

edit: this too https://restify.binarcode.com/api/exception-handler#disable-restify-exception-handler

[binaryk]

Good check! Will address that, as the documentation is not very up to date now. Thank you!

[binaryk]

Fixed #427. Thank you!