Remove unnecessary private key.
Remove unnecessary private key.

The extension doesn't need to be packaged as the host can't be distributed via the
Chrome store (https://code.google.com/p/chromium/issues/detail?id=321628) and
local extensions can no longer be installed using the "external extension" mechanism
(https://developer.chrome.com/extensions/external_extensions#prereqs).

wearhere/Photocopier,wearhere/Photocopier