examples/web-file-browser: Don't need to 'unset' (WebAuth.finish() does that for us).
examples/web-file-browser: Don't need to 'unset' (WebAuth.finish() does that for us).

itsazzad/dropbox-sdk-php,sayfulit/dropbox-sdk-php,demisang/dropbox-sdk-php,demisang/dropbox-sdk-php,TimeDoctorLLC/dropbox-sdk-php,dropbox/dropbox-sdk-php,TimeDoctorLLC/dropbox-sdk-php,dropbox/dropbox-sdk-php,itsazzad/dropbox-sdk-php,sayfulit/dropbox-sdk-php