Remove cryptohome specific init script from platform/init

Part of a three CLs change that moves cryptohome's init script from
platform/init to platform/cryptohome.

BUG=chromium:349606
TEST=Build chromeos-init. The four init scripts are no longer owned by
chromeos-init.

CQ-DEPEND=I727f9e8b448f36ab9a892145e9183ad96f750d60
CQ-DEPEND=Ife62bf40604dbe8d1c64977e9b8fd5bbcf25478e

Change-Id: I3fa27db26df90e2125cc098a90db27dd9c868321
Reviewed-on: https://chromium-review.googlesource.com/189722
Reviewed-by: Darren Krahn <dkrahn@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
4 files changed