Delete CarStatsPuller class

The CarStatsPuller class is not needed because CarStatsService will now
directly register the VMS_CLIENT_STATS puller with StatsManager.

Test: m -j
Bug: 148123503
Change-Id: Icd46af829c8f559315f72feab1eda3b687c57148
4 files changed
tree: c70026a96ca9b73db0837a47f93acd699d22aaf2
  1. bin/