Revert "fdo#74697 Add Bluez 5 support for impress remote."

Stray printf conversion gone wrong (in addition to some dbus types
missing on older systems) reverting so that one clean
patch can be easily cherry-picked to the other relevant branches.

This reverts commit 664ceee384c07884cdb4fd8dbc80971bcadaa9a2.

Change-Id: I2c4369288362e5fd56e5502e3ad37c42ea3787cf