camera: disable verbose logging

* This got sneaked in again, accidentally, in
  17220d0f3d622d2b4f03dcb6022525be8386a9be / I172fd890ed6af0e1c6658975f28faf8e88014cc0

Change-Id: Ic1ec781d5c48c0acefdea0c8b1bb1efdca261ef5