Remove old parsoid init script

- Remove transitional /etc/init.d/parsoid stop call in upstart script after
  migration happened last week

- Remove unused init script from production to avoid confusion.  Debian
  support is handled by the Debian package in the deploy repo.

TODO:

- delete init.d deletion stanzas from the puppet config when they have run

- wean beta off init.d

Change-Id: Ifdd9463b9fd79eb42ba235540b4e56be3a1a937b