AtlasDetectorIDHelper: use AthMessaging for logging
Using AthMessaging
for logging in AtlasDetectorIDHelper
. This demotes the following messages to DEBUG that were never meant to appear in the output in the first place and requires several unit test reference updates:
AtlasDetectorIDHelper::initialize_from_dictionary - Warning: unable to find mm region index: group, region size 0 0
AtlasDetectorIDHelper::initialize_from_dictionary - Warning: unable to find stgc region index: group, region size 0 0