Delete unused file server-delay.py (#712)
Delete unused file server-delay.py (#712)

This was introduced "for testing" and is currently not used. See:
https://github.com/GoogleChrome/chromium-dashboard/commit/fd94e6808f5d0ab3a351603c0ab4457b1bc0a231
GoogleChrome/chromium-dashboard,GoogleChrome/chromium-dashboard,GoogleChrome/chromium-dashboard,GoogleChrome/chromium-dashboard,GoogleChrome/chromium-dashboard