Revert "mediaswcodec: Set "default" as preferred service"

This reverts commit 3c713796c2aa919631111918e3e2353f1b359353.

Reason for revert: The submitted patch set was not the latest cherry-pick from qt-aml-media-dev.
Exempt-From-Owner-Approval: revert

Change-Id: I3118af50e19bde0411ae7690293ede8033d522b4
2 files changed