Clean CONF out of brick initiator

This is part 1 of the work needed to
remove CONF from the brick subproject.
This patch removes the CONF usage
completely from the initiator portion of brick.

Change-Id: I62cf72214db9d4296ae4c5b09bd21fb53664c117
Partial-Bug: #1230066
Merge "Clean CONF out of brick initiator"