Remove init for Wear Lefty Service

The service has been removed, so the init logic in the SystemServer
should also been removed.

Bug: 200706260
Tested: build passes
Change-Id: I3955571b66e7748f54b8136318a8d141c2dbcd15
(cherry picked from commit 7a5641422fe84106fced84daba3a0ee34f0d6aab)
(cherry picked from commit af07c8b703ae63666481fe89cc0b3f5c11c98741)
1 file changed