Revert "[CEC Configuration] Add listener support to the HdmiCecConfig"

This reverts commit d4da9ce1e5ac032e70c0acd448386c1aff632990.

Reason for revert: b/174516527

Bug: 174516527
Change-Id: I6cc50409e4697c3eab3ac8d5f2fbb3fc609b83d3
3 files changed